{
  "$id": "blockception.minecraft.behavior.feature_rules",
  "examples": [
    {
      "format_version": "1.13.0",
      "minecraft:feature_rules": {
        "minecraft:ore_feature": {
          "description": { "identifier": "example:foo", "places_feature": "minecraft:legacy:birch_forest_tree_feature" },
          "conditions": {}
        }
      }
    }
  ],
  "allOf": [
    { "if": { "properties": { "format_version": { "type": "string", "const": "1.13.0" } } }, "then": { "$ref": "#/definitions/A" } },
    { "properties": { "format_version": { "$ref": "#/definitions/HE" } } }
  ],
  "definitions": {
    "A_coord_dist": {
      "title": "",
      "description": "",
      "oneOf": [
        {
          "$ref": "#/definitions/B",
          "description": "Expression for the coordinate (evaluated each iteration).  Mutually exclusive with random distribution object below."
        },
        {
          "type": "object",
          "description": "Distribution for the coordinate (evaluated each iteration).  Mutually exclusive with Molang expression above.",
          "additionalProperties": false,
          "examples": [{ "numerator": 1, "denominator": 1 }],
          "properties": {
            "numerator": { "title": "Numerator", "description": "UNDOCUMENTATED", "type": "number", "minimum": 1 },
            "denominator": { "title": "Denominator", "description": "UNDOCUMENTATED", "type": "number", "minimum": 1 }
          }
        }
      ]
    },
    "B": {
      "title": "Molang Number",
      "description": "The minecraft molang definition that results in a float",
      "anyOf": [{ "type": "string", "minLength": 0 }, { "type": "number" }]
    },
    "C": {
      "type": "string",
      "title": "Entity Identifier 1.8.0",
      "description": "The minecraft entity identifier",
      "examples": ["namespace:entity_name"],
      "pattern": "^[0-9a-zA-Z:_\\.\\-]+$"
    },
    "D_filters_spec": {
      "oneOf": [
        {
          "propertyNames": { "enum": ["all_of", "any_of", "none_of"] },
          "properties": {
            "all_of": {
              "title": "All Of",
              "description": "All tests in an `all_of` group must pass in order for the group to pass.",
              "$ref": "#/definitions/D_groups_spec"
            },
            "any_of": {
              "title": "Any Of",
              "description": "One or more tests in an `any_of` group must pass in order for the group to pass.",
              "$ref": "#/definitions/D_groups_spec"
            },
            "none_of": {
              "title": "None Of",
              "description": "All tests in a `none_of` group must fail in order for the group to pass.",
              "$ref": "#/definitions/D_groups_spec"
            }
          }
        },
        {
          "required": ["test"],
          "properties": {
            "all_of": {
              "title": "All Of",
              "description": "All tests in an `all_of` group must pass in order for the group to pass.",
              "$ref": "#/definitions/D_groups_spec"
            },
            "any_of": {
              "title": "Any Of",
              "description": "One or more tests in an `any_of` group must pass in order for the group to pass.",
              "$ref": "#/definitions/D_groups_spec"
            },
            "none_of": {
              "title": "None Of",
              "description": "All tests in a `none_of` group must fail in order for the group to pass.",
              "$ref": "#/definitions/D_groups_spec"
            }
          },
          "allOf": [
            { "if": { "properties": { "test": { "const": "clock_time" } } }, "then": { "$ref": "#/definitions/E" } },
            { "if": { "properties": { "test": { "const": "distance_to_nearest_player" } } }, "then": { "$ref": "#/definitions/H" } },
            { "if": { "properties": { "test": { "const": "has_ability" } } }, "then": { "$ref": "#/definitions/I" } },
            { "if": { "properties": { "test": { "const": "has_biome_tag" } } }, "then": { "$ref": "#/definitions/J" } },
            { "if": { "properties": { "test": { "const": "has_component" } } }, "then": { "$ref": "#/definitions/BA" } },
            { "if": { "properties": { "test": { "const": "has_container_open" } } }, "then": { "$ref": "#/definitions/BB" } },
            { "if": { "properties": { "test": { "const": "has_damage" } } }, "then": { "$ref": "#/definitions/BC" } },
            { "if": { "properties": { "test": { "const": "has_equipment" } } }, "then": { "$ref": "#/definitions/BE" } },
            { "if": { "properties": { "test": { "const": "has_mob_effect" } } }, "then": { "$ref": "#/definitions/BG" } },
            { "if": { "properties": { "test": { "const": "has_ranged_weapon" } } }, "then": { "$ref": "#/definitions/BH" } },
            { "if": { "properties": { "test": { "const": "has_tag" } } }, "then": { "$ref": "#/definitions/BI" } },
            { "if": { "properties": { "test": { "const": "has_target" } } }, "then": { "$ref": "#/definitions/BJ" } },
            { "if": { "properties": { "test": { "const": "has_trade_supply" } } }, "then": { "$ref": "#/definitions/CA" } },
            { "if": { "properties": { "test": { "const": "hourly_clock_time" } } }, "then": { "$ref": "#/definitions/CB" } },
            { "if": { "properties": { "test": { "const": "in_block" } } }, "then": { "$ref": "#/definitions/CC" } },
            { "if": { "properties": { "test": { "const": "in_caravan" } } }, "then": { "$ref": "#/definitions/CD" } },
            { "if": { "properties": { "test": { "const": "in_clouds" } } }, "then": { "$ref": "#/definitions/CE" } },
            { "if": { "properties": { "test": { "const": "in_lava" } } }, "then": { "$ref": "#/definitions/CF" } },
            { "if": { "properties": { "test": { "const": "in_nether" } } }, "then": { "$ref": "#/definitions/CG" } },
            { "if": { "properties": { "test": { "const": "in_water" } } }, "then": { "$ref": "#/definitions/CH" } },
            { "if": { "properties": { "test": { "const": "in_water_or_rain" } } }, "then": { "$ref": "#/definitions/CI" } },
            { "if": { "properties": { "test": { "const": "in_contact_with_water" } } }, "then": { "$ref": "#/definitions/CJ" } },
            { "if": { "properties": { "test": { "const": "inactivity_timer" } } }, "then": { "$ref": "#/definitions/DA" } },
            { "if": { "properties": { "test": { "const": "is_altitude" } } }, "then": { "$ref": "#/definitions/DB" } },
            { "if": { "properties": { "test": { "const": "is_avoiding_mobs" } } }, "then": { "$ref": "#/definitions/DC" } },
            { "if": { "properties": { "test": { "const": "is_biome" } } }, "then": { "$ref": "#/definitions/DD" } },
            { "if": { "properties": { "test": { "const": "is_block" } } }, "then": { "$ref": "#/definitions/DE" } },
            { "if": { "properties": { "test": { "const": "is_brightness" } } }, "then": { "$ref": "#/definitions/DF" } },
            { "if": { "properties": { "test": { "const": "is_climbing" } } }, "then": { "$ref": "#/definitions/DG" } },
            { "if": { "properties": { "test": { "const": "is_color" } } }, "then": { "$ref": "#/definitions/DH" } },
            { "if": { "properties": { "test": { "const": "is_daytime" } } }, "then": { "$ref": "#/definitions/DI" } },
            { "if": { "properties": { "test": { "const": "is_difficulty" } } }, "then": { "$ref": "#/definitions/DJ" } },
            { "if": { "properties": { "test": { "const": "is_family" } } }, "then": { "$ref": "#/definitions/EA" } },
            { "if": { "properties": { "test": { "const": "is_game_rule" } } }, "then": { "$ref": "#/definitions/EB" } },
            { "if": { "properties": { "test": { "const": "is_humid" } } }, "then": { "$ref": "#/definitions/EC" } },
            { "if": { "properties": { "test": { "const": "is_immobile" } } }, "then": { "$ref": "#/definitions/ED" } },
            { "if": { "properties": { "test": { "const": "is_in_village" } } }, "then": { "$ref": "#/definitions/EE" } },
            { "if": { "properties": { "test": { "const": "is_leashed" } } }, "then": { "$ref": "#/definitions/EF" } },
            { "if": { "properties": { "test": { "const": "is_leashed_to" } } }, "then": { "$ref": "#/definitions/EG" } },
            { "if": { "properties": { "test": { "const": "is_mark_variant" } } }, "then": { "$ref": "#/definitions/EH" } },
            { "if": { "properties": { "test": { "const": "is_moving" } } }, "then": { "$ref": "#/definitions/EI" } },
            { "if": { "properties": { "test": { "const": "is_owner" } } }, "then": { "$ref": "#/definitions/EJ" } },
            { "if": { "properties": { "test": { "const": "is_persistent" } } }, "then": { "$ref": "#/definitions/FA" } },
            { "if": { "properties": { "test": { "const": "is_riding" } } }, "then": { "$ref": "#/definitions/FB" } },
            { "if": { "properties": { "test": { "const": "is_skin_id" } } }, "then": { "$ref": "#/definitions/FC" } },
            { "if": { "properties": { "test": { "const": "is_sleeping" } } }, "then": { "$ref": "#/definitions/FD" } },
            { "if": { "properties": { "test": { "const": "is_sneaking" } } }, "then": { "$ref": "#/definitions/FE" } },
            { "if": { "properties": { "test": { "const": "is_snow_covered" } } }, "then": { "$ref": "#/definitions/FF" } },
            { "if": { "properties": { "test": { "const": "is_target" } } }, "then": { "$ref": "#/definitions/FG" } },
            { "if": { "properties": { "test": { "const": "is_temperature_type" } } }, "then": { "$ref": "#/definitions/FH" } },
            { "if": { "properties": { "test": { "const": "is_temperature_value" } } }, "then": { "$ref": "#/definitions/FI" } },
            { "if": { "properties": { "test": { "const": "is_underground" } } }, "then": { "$ref": "#/definitions/FJ" } },
            { "if": { "properties": { "test": { "const": "is_underwater" } } }, "then": { "$ref": "#/definitions/GA" } },
            { "if": { "properties": { "test": { "const": "is_variant" } } }, "then": { "$ref": "#/definitions/GB" } },
            { "if": { "properties": { "test": { "const": "is_visible" } } }, "then": { "$ref": "#/definitions/GC" } },
            { "if": { "properties": { "test": { "const": "light_level" } } }, "then": { "$ref": "#/definitions/GD" } },
            { "if": { "properties": { "test": { "const": "moon_intensity" } } }, "then": { "$ref": "#/definitions/GE" } },
            { "if": { "properties": { "test": { "const": "moon_phase" } } }, "then": { "$ref": "#/definitions/GF" } },
            { "if": { "properties": { "test": { "const": "on_ground" } } }, "then": { "$ref": "#/definitions/GG" } },
            { "if": { "properties": { "test": { "const": "on_ladder" } } }, "then": { "$ref": "#/definitions/GH" } },
            { "if": { "properties": { "test": { "const": "random_chance" } } }, "then": { "$ref": "#/definitions/GI" } },
            { "if": { "properties": { "test": { "const": "rider_count" } } }, "then": { "$ref": "#/definitions/GJ" } },
            { "if": { "properties": { "test": { "const": "surface_mob" } } }, "then": { "$ref": "#/definitions/HA" } },
            { "if": { "properties": { "test": { "const": "trusts" } } }, "then": { "$ref": "#/definitions/HB" } },
            { "if": { "properties": { "test": { "const": "weather" } } }, "then": { "$ref": "#/definitions/HC" } },
            { "if": { "properties": { "test": { "const": "weather_at_position" } } }, "then": { "$ref": "#/definitions/HD" } },
            { "not": { "properties": { "test": { "const": "is_weather" } }, "$comment": "DEPRECATED" } }
          ]
        }
      ]
    },
    "D_groups_spec": {
      "oneOf": [
        { "type": "array", "items": { "$ref": "#/definitions/D_groups_spec" } },
        { "type": "object", "$ref": "#/definitions/D_filters_spec" }
      ]
    },
    "F": {
      "title": "Filters Operator",
      "type": "string",
      "description": "The comparison to apply with `value`.",
      "default": "equals",
      "enum": ["!=", "<", "<=", "<>", "=", "==", ">", ">=", "equals", "not"]
    },
    "G": {
      "title": "Filters Subject",
      "type": "string",
      "description": "The subject of this filter test.",
      "default": "self",
      "enum": ["block", "other", "parent", "player", "self", "target", "damager"]
    },
    "E": {
      "type": "object",
      "title": "Filters Clock Time",
      "description": "Compares the current 24 hour time with an int value in the range[0, 24000]",
      "required": ["value"],
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Compares the current 24 hour time with an int value in the range[0, 24000]"
        },
        "operator": {
          "$ref": "#/definitions/F",
          "description": "(Optional) The comparison to apply with `value`.",
          "default": "equals",
          "title": "Operator"
        },
        "subject": { "$ref": "#/definitions/G", "description": "(Optional) The subject of this filter test.", "default": "self", "title": "Subject" },
        "value": { "type": "number", "minimum": 0, "maximum": 240000, "description": "(Required) An integer value.", "title": "Value" }
      }
    },
    "H": {
      "type": "object",
      "title": "Filters Distance To Nearest Player",
      "description": "Compares the distance to the nearest Player with a float value.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Compares the distance to the nearest Player with a float value." },
        "operator": { "$ref": "#/definitions/F", "description": "(Optional) The comparison to apply with `value`.", "title": "Operator" },
        "subject": { "$ref": "#/definitions/G", "description": "(Optional) The subject of this filter test.", "title": "Subject" },
        "value": { "type": "number", "description": "(Required) A floating point value.", "title": "Value" }
      }
    },
    "I": {
      "type": "object",
      "title": "Filters Has Ability",
      "description": "Returns true when the subject entity has the named ability.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true when the subject entity has the named ability." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "type": "string",
          "description": "(Required) The Ability type to test",
          "enum": ["flySpeed", "flying", "instabuild", "invulnerable", "lightning", "mayfly", "mute", "noclip", "walkSpeed", "worldbuilder"],
          "title": "Value"
        }
      }
    },
    "J": {
      "type": "object",
      "title": "Filters Has Biome Tag",
      "description": "Tests whether the biome the subject is in has the specified tag.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Tests whether the biome the subject is in has the specified tag." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "(Required) The tag to look for", "type": "string", "title": "Value" }
      }
    },
    "BA": {
      "type": "object",
      "title": "Filters Has Component",
      "description": "Returns true when the subject entity contains the named component.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true when the subject entity contains the named component." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "string", "description": "TODO description: value", "title": "Value" }
      }
    },
    "BB": {
      "type": "object",
      "title": "Filters Has Container Open",
      "description": "Returns true when the subject Player entity has opened a container.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "BD": {
      "title": "Entity Damage Source",
      "description": "The types of damage an entity can receive",
      "type": "string",
      "enum": [
        "all",
        "anvil",
        "block_explosion",
        "charging",
        "contact",
        "drowning",
        "entity_attack",
        "entity_explosion",
        "fall",
        "fatal",
        "falling_block",
        "fire",
        "fire_tick",
        "fireworks",
        "fly_into_wall",
        "freezing",
        "lava",
        "lightning",
        "magic",
        "magma",
        "none",
        "override",
        "piston",
        "projectile",
        "starve",
        "suffocation",
        "suicide",
        "temperature",
        "thorns",
        "void",
        "wither"
      ]
    },
    "BC": {
      "type": "object",
      "title": "Filters Has Damage",
      "description": "Returns true when the subject entity receives the named damage type.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true when the subject entity receives the named damage type." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "string", "description": "The Damage type to test", "$ref": "#/definitions/BD", "title": "Value" }
      }
    },
    "BF": { "type": "string", "title": "Item Identifier 1.8.0", "description": "The minecraft item identifier", "pattern": "^[0-9a-zA-Z:_\\-\\.]+$" },
    "BE": {
      "type": "object",
      "title": "Filters Has Equipment",
      "description": "Tests for the presence of a named item in the designated slot of the subject entity.",
      "required": ["value"],
      "properties": {
        "test": {
          "type": "string",
          "const": "has_equipment",
          "description": "Tests for the presence of a named item in the designated slot of the subject entity.",
          "title": "Test"
        },
        "domain": {
          "description": "The equipment location to test",
          "default": "any",
          "enum": ["any", "armor", "feet", "hand", "head", "leg", "torso"],
          "title": "Domain"
        },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The item name to look for", "type": "string", "$ref": "#/definitions/BF", "title": "TODO Title" }
      }
    },
    "BG": {
      "type": "object",
      "title": "Filters Has Mob Effect",
      "description": "Tests whether the Subject has the specified mob effect.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Tests whether the Subject has the specified mob effect." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "string", "description": "TODO description: value", "title": "Value" }
      }
    },
    "BH": {
      "type": "object",
      "title": "Filters Has Ranged Weapon",
      "description": "Returns true when the subject entity is holding a ranged weapon like a bow or crossbow.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "BI": {
      "type": "object",
      "title": "Filters Has Tag",
      "description": "Returns true if the subject entity has the tag provided.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true if the subject entity has the tag provided." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "string", "description": "The tag as a string", "pattern": "[a-zA-Z0-9_]+", "title": "Value" }
      }
    },
    "BJ": {
      "type": "object",
      "title": "Filters Has Target",
      "description": "Returns true if the subject entity has a valid target.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "CA": {
      "type": "object",
      "title": "Filters Has Trade Supply",
      "description": "Tests whether the target has any trade supply left. Will return false if the target cannot be traded with.",
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Tests whether the target has any trade supply left. Will return false if the target cannot be traded with."
        },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "CB": {
      "type": "object",
      "title": "Filters Hourly Clock Time",
      "description": "Compares the current 24 hour time with an int value in the range[0, 24000]",
      "required": ["value"],
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Compares the current 24 hour time with an int value in the range[0, 24000]",
          "const": "hourly_clock_time"
        },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "integer", "description": "An integer value.", "minimum": 0, "maximum": 24000, "title": "Value" }
      }
    },
    "CC": {
      "type": "object",
      "title": "In block",
      "description": "Returns true when the subject entity is inside a specified Block type.",
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Returns true when the subject entity is inside a specified Block type."
        },
        "operator": {
          "$ref": "#/definitions/F",
          "description": "(Optional) The comparison to apply with `value`.",
          "default": "equals",
          "title": "Operator"
        },
        "subject": { "$ref": "#/definitions/G", "description": "(Optional) The subject of this filter test.", "default": "self", "title": "Subject" },
        "value": { "type": "string", "description": "(Optional) A string value.", "title": "Value" }
      }
    },
    "CD": {
      "type": "object",
      "title": "Filters In Caravan",
      "description": "Returns true if the subject entity is in a caravan.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true if the subject entity is in a caravan." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "CE": {
      "type": "object",
      "title": "Filters In Clouds",
      "description": "Returns true when the subject entity is in the clouds.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true when the subject entity is in the clouds." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "CF": {
      "type": "object",
      "title": "Filters In Lava",
      "description": "Returns true when the subject entity is in lava.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true when the subject entity is in lava." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "CG": {
      "type": "object",
      "title": "Filters In Nether",
      "description": "Returns true when the subject entity is in Nether.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "CH": {
      "type": "object",
      "title": "Filters In Water",
      "description": "Returns true when the subject entity is in water.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true when the subject entity is in water." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "CI": {
      "type": "object",
      "title": "Filters In Water Or Rain",
      "description": "Returns true when the subject entity is in water or rain.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true when the subject entity is in water or rain." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "CJ": {
      "type": "object",
      "title": "In contact with water",
      "description": "Returns true when the subject entity in contact with any water: water, rain, splash water bottle.",
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Returns true when the subject entity in contact with any water: water, rain, splash water bottle."
        },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "(Optional) true or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "DA": {
      "type": "object",
      "title": "Filters Inactivity Timer",
      "description": "Tests if the specified duration in seconds of inactivity for despawning has been reached.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The Family name to look for", "type": "integer", "title": "Value" }
      }
    },
    "DB": {
      "type": "object",
      "title": "Filters Is Altitude",
      "description": "Tests the current altitude against a provided value. 0= bedrock elevation.",
      "required": ["value"],
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Tests the current altitude against a provided value. 0= bedrock elevation."
        },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "integer", "description": "The altitude value to compare with", "minimum": 0, "title": "Value" }
      }
    },
    "DC": {
      "type": "object",
      "title": "Filters Is Avoiding Mobs",
      "description": "Returns true if the subject entity is fleeing from other mobs.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true if the subject entity is fleeing from other mobs." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "DD": {
      "type": "object",
      "title": "Filters Is Biome",
      "description": "Tests whether the Subject is currently in the named biome.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Tests whether the Subject is currently in the named biome." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "The Biome type to test",
          "type": "string",
          "enum": [
            "beach",
            "desert",
            "extreme_hills",
            "flat",
            "forest",
            "ice",
            "jungle",
            "mesa",
            "mushroom_island",
            "ocean",
            "plain",
            "river",
            "savanna",
            "stone_beach",
            "swamp",
            "taiga",
            "the_end",
            "the_nethe"
          ],
          "title": "Value"
        }
      }
    },
    "DE": {
      "type": "object",
      "title": "Filters Is Block",
      "description": "Returns true when the block has the given name.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The Family name to look for", "type": "string", "title": "Value" }
      }
    },
    "DF": {
      "type": "object",
      "title": "Filters Is Brightness",
      "description": "Tests the current brightness against a provided value in the range (0.0f, 1.0f).",
      "required": ["value"],
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Tests the current brightness against a provided value in the range (0.0f, 1.0f)."
        },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The brightness value to compare with.", "type": "number", "minimum": 0.0, "maximum": 1.0, "title": "Value" }
      }
    },
    "DG": {
      "type": "object",
      "title": "Filters Is Climbing",
      "description": "Returns true if the subject entity is climbing.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true if the subject entity is climbing." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "DH": {
      "type": "object",
      "title": "Filters Is Color",
      "description": "Returns true if the subject entity is the named color.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true if the subject entity is the named color." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "The Palette Color to test",
          "type": "string",
          "enum": [
            "black",
            "blue",
            "brown",
            "cyan",
            "gray",
            "green",
            "light_blue",
            "light_green",
            "magenta",
            "orange",
            "pink",
            "purple",
            "red",
            "silver",
            "white",
            "yello"
          ],
          "title": "Value"
        }
      }
    },
    "DI": {
      "type": "object",
      "title": "Filters Is Daytime",
      "description": "Returns true during the daylight hours.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Returns true during the daylight hours." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "DJ": {
      "type": "object",
      "title": "Filters Is Difficulty",
      "description": "Tests the current difficulty level of the game.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Tests the current difficulty level of the game." },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "The game's difficulty level to test",
          "type": "string",
          "enum": ["easy", "hard", "normal", "peaceful"],
          "title": "Value"
        }
      }
    },
    "EA": {
      "type": "object",
      "title": "Filters Is Family",
      "description": "Returns true when the subject entity is a member of the named family.",
      "required": ["value"],
      "properties": {
        "test": {
          "type": "string",
          "title": "Test Property",
          "description": "Returns true when the subject entity is a member of the named family."
        },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The Family name to look for", "type": "string", "title": "Value" }
      }
    },
    "EB": {
      "type": "object",
      "title": "Filters Is Game Rule",
      "description": "TODO description:",
      "required": ["domain"],
      "properties": {
        "domain": { "description": "The Game Rule to test.", "title": "Domain" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "Tests whether a named game rule is active.", "default": true, "type": "boolean", "title": "Value" }
      }
    },
    "EC": {
      "type": "object",
      "title": "Filters Is Humid",
      "description": "Tests whether the Subject is in an area with humidity",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "Tests whether the Subject is in an area with humidity" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "ED": {
      "type": "object",
      "title": "Filters Is Immobile",
      "description": "Returns true if the subject entity is immobile. An entity is immobile if it lacks AI goals, has just changed dimensions or if it is a mob and has no health.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "EE": {
      "type": "object",
      "title": "Filters Is In Village",
      "description": "Tests whether the Subject is inside the bounds of a village.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "EF": {
      "type": "object",
      "title": "Filters Is Leashed",
      "description": "Returns true if the subject entity is leashed.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "EG": {
      "type": "object",
      "title": "Filters Is Leashed To",
      "description": "Returns true if the subject entity leashed to the calling entity.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "EH": {
      "type": "object",
      "title": "Filters Is Mark Variant",
      "description": "Returns true if the subject entity is the mark variant number provided.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "integer", "description": "The altitude value to compare with", "minimum": 0, "title": "Value" }
      },
      "additionalProperties": false
    },
    "EI": {
      "type": "object",
      "title": "Filters Is Moving",
      "description": "Returns true if the subject entity is moving.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "EJ": {
      "type": "object",
      "title": "Filters Is Owner",
      "description": "Returns true if the subject entity is the owner of the calling entity.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "FA": {
      "type": "object",
      "title": "Filters Is Persistent",
      "description": "Tests if the subject's persistence matches the bool value passed in.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "FB": {
      "type": "object",
      "title": "Filters Is Riding",
      "description": "Returns true if the subject entity is riding on another entity.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "FC": {
      "type": "object",
      "title": "Filters Is Skin Id",
      "description": "Returns true if the subject entity is the skin id number provided.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "integer", "description": "The altitude value to compare with", "title": "Value" }
      }
    },
    "FD": {
      "type": "object",
      "title": "Filters Is Sleeping",
      "description": "Tests whether the Subject is sleeping.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "FE": {
      "type": "object",
      "title": "Filters Is Sneaking",
      "description": "Returns true if the subject entity is sneaking.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "FF": {
      "type": "object",
      "title": "Filters Is Snow Covered",
      "description": "Tests whether the Subject is in an area with snow cover",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "FG": {
      "type": "object",
      "title": "Filters Is Target",
      "description": "Returns true if the subject entity is the target of the calling entity.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "FH": {
      "type": "object",
      "title": "Filters Is Target",
      "description": "Tests whether the current temperature is a given type.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "The Biome temperature catagory to test",
          "type": "string",
          "enum": ["cold", "mild", "ocean", "warm"],
          "title": "Value"
        }
      }
    },
    "FI": {
      "type": "object",
      "title": "Filters Is Temperature Value",
      "description": "Tests the current temperature against a provided value in the range (0.0, 1.0) where 0.0f is the coldest temp and 1.0f is the hottest.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The Biome temperature value to compare with.", "type": "number", "minimum": 0.0, "maximum": 1.0, "title": "Value" }
      }
    },
    "FJ": {
      "type": "object",
      "title": "Filters Is Underground",
      "description": "Returns true when the subject entity is underground. An entity is considered underground if there are non-solid blocks above it.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "GA": {
      "type": "object",
      "title": "Filters Is Underwater",
      "description": "Returns true when the subject entity is under water. An entity is considered underwater if it is completely submerged in water blocks.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "GB": {
      "type": "object",
      "title": "Filters Is Variant",
      "description": "Returns true if the subject entity is the variant number provided.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "integer", "description": "The altitude value to compare with", "title": "Value" }
      }
    },
    "GC": {
      "type": "object",
      "title": "Filters Is Visible",
      "description": "Returns true if the subject entity is visible.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "GD": {
      "type": "object",
      "title": "Filters Light Level",
      "description": "Tests is the mob is outside of the specified light level range (0, 16).",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "An integer value.", "type": "integer", "title": "Value", "minimum": 0, "maximum": 16 }
      }
    },
    "GE": {
      "type": "object",
      "title": "Filters Moon Intensity",
      "description": "Compares the current moon intensity with a float value in the range (0.0, 1.0)",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "A floating point value.", "type": "number", "minimum": 0, "maximum": 1, "title": "Value" }
      }
    },
    "GF": {
      "type": "object",
      "title": "Filters Moon Phase",
      "description": "Compares the current moon phase with an integer value in the range (0, 7).",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "type": "integer", "description": "An integer value.", "minimum": 0, "maximum": 7, "title": "Value" }
      }
    },
    "GG": {
      "type": "object",
      "title": "Filters On Ground",
      "description": "Returns true when the subject entity is on ground.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "GH": {
      "type": "object",
      "title": "Filters On Ladder",
      "description": "Returns true when the subject entity is on a ladder.",
      "properties": {
        "test": { "type": "string", "title": "Test Property", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "title": "Value",
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "default": "true", "enum": ["true", "false"] }
          ]
        }
      }
    },
    "GI": {
      "type": "object",
      "title": "Filters Random Chance",
      "description": "Returns true if the random chance rolls 0 out of a specified max range.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "An integer value.", "type": "integer", "title": "Value" }
      }
    },
    "GJ": {
      "type": "object",
      "title": "Filters Rider Count",
      "description": "Returns the number of riders on this entity.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "An integer value.", "type": "integer", "title": "Value" }
      }
    },
    "HA": {
      "type": "object",
      "title": "Filters Surface Mob",
      "description": "Tests if the subject is a surface mob.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "HB": {
      "type": "object",
      "title": "Filters Trusts",
      "description": "Returns true if the subject is trusted by entity.",
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": {
          "description": "True or false.",
          "oneOf": [
            { "type": "boolean", "default": true },
            { "type": "string", "enum": ["true", "false"] }
          ],
          "title": "Value"
        }
      }
    },
    "HC": {
      "type": "object",
      "title": "Filters Weather",
      "description": "Tests the current weather in the dimension against a provided weather value.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The Family name to look for", "type": "string", "title": "Value" }
      }
    },
    "HD": {
      "type": "object",
      "title": "Filters Weather At Position",
      "description": "Tests the current weather, at the actor's position, against a provided weather value.",
      "required": ["value"],
      "properties": {
        "test": { "type": "string", "title": "Test", "description": "The test property" },
        "operator": { "$ref": "#/definitions/F" },
        "subject": { "$ref": "#/definitions/G" },
        "value": { "description": "The Family name to look for", "type": "string", "title": "Value" }
      }
    },
    "D": { "title": "Filters", "$ref": "#/definitions/D_groups_spec" },
    "A": {
      "type": "object",
      "title": "Feature Rules 1.13.0",
      "description": "Each feature rule controls exactly one feature and serves as the root of a chain of feature data.",
      "additionalProperties": false,
      "required": ["format_version", "minecraft:feature_rules"],
      "minProperties": 2,
      "maxProperties": 2,
      "properties": {
        "format_version": {
          "const": "1.13.0",
          "description": "Specifies the version of the game this entity was made in. Minimum supported version is 1.13.0. Current supported version is 1.13.0.",
          "title": "Format Version"
        },
        "minecraft:feature_rules": {
          "title": "Feature rules",
          "description": "Each feature rule controls exactly one feature and serves as the root of a chain of feature data.",
          "type": "object",
          "additionalProperties": false,
          "required": ["description", "conditions"],
          "properties": {
            "description": {
              "title": "Description",
              "description": "",
              "type": "object",
              "additionalProperties": false,
              "required": ["identifier", "places_feature"],
              "properties": {
                "identifier": {
                  "title": "Identifier",
                  "description": "The name of this feature in the form `namespace_name:feature_name`. `feature_name` must match the filename.",
                  "type": "string",
                  "$ref": "#/definitions/C"
                },
                "places_feature": {
                  "title": "Places Feature",
                  "description": "Named reference to the feature controlled by this rule.",
                  "type": "string"
                }
              }
            },
            "conditions": {
              "title": "Conditions",
              "description": "Parameters to control where and when the feature will be placed.",
              "type": "object",
              "additionalProperties": false,
              "required": ["placement_pass"],
              "properties": {
                "placement_pass": {
                  "title": "Placement pass",
                  "description": "When the feature should be placed relative to others. Earlier passes in the list are guaranteed to occur before later passes. Order is not guaranteed within each pass.",
                  "type": "string",
                  "enum": [
                    "pregeneration_pass",
                    "first_pass",
                    "before_underground_pass",
                    "underground_pass",
                    "after_underground_pass",
                    "before_surface_pass",
                    "surface_pass",
                    "after_surface_pass",
                    "before_sky_pass",
                    "sky_pass",
                    "after_sky_pass",
                    "final_pass"
                  ]
                },
                "minecraft:biome_filter": {
                  "title": "Placement pass",
                  "description": "List of filter tests to determine which biomes this rule will attach to.",
                  "$ref": "#/definitions/D"
                }
              }
            },
            "distribution": {
              "title": "Distribution",
              "description": "Parameters controlling the initial scatter of the feature.",
              "type": "object",
              "additionalProperties": false,
              "required": ["iterations"],
              "properties": {
                "coordinate_eval_order": {
                  "title": "Coordinate Eval Order",
                  "description": "The order in which coordinates will be evaluated. Should be used when a coordinate depends on another. If omitted, defaults to `xzy`.",
                  "type": "string",
                  "enum": ["xyz", "xzy", "yxz", "yzx", "zxy", "zyx"]
                },
                "iterations": { "title": "Iterations", "description": "Number of scattered positions to generate", "$ref": "#/definitions/B" },
                "scatter_chance": {
                  "title": "Scatter Chance",
                  "oneOf": [
                    {
                      "$ref": "#/definitions/B",
                      "description": "Probability (0-100] that this scatter will occur.  Not evaluated each iteration; either no iterations will run, or all will."
                    },
                    {
                      "type": "object",
                      "description": "Probability numerator / denominator that this scatter will occur.  Not evaluated each iteration; either no iterations will run, or all will.",
                      "additionalProperties": false,
                      "properties": {
                        "numerator": { "title": "Numerator", "description": "UNDOCUMENTATED", "type": "number", "minimum": 1 },
                        "denominator": { "title": "Denominator", "description": "UNDOCUMENTATED", "type": "number", "minimum": 1 }
                      }
                    }
                  ]
                },
                "x": { "title": "X", "$ref": "#/definitions/A_coord_dist" },
                "z": { "title": "Y", "$ref": "#/definitions/A_coord_dist" },
                "y": { "title": "Z", "$ref": "#/definitions/A_coord_dist" }
              }
            }
          }
        }
      }
    },
    "HE": {
      "title": "Format Version",
      "description": "A version that tells minecraft what type of data format can be expected when reading this file.",
      "pattern": "^(1)\\.([0-9]+)\\.([0-9]+)$",
      "type": "string"
    }
  }
}