minecraft-bedrock-json-schemas/source/resource/textures/ui_texture_definition.json

{
  "$schema": "http://json-schema.org/draft-07/schema",
  "$id": "blockception.minecraft.resource.texture.ui_definition",
  "additionalProperties": false,
  "description": "The file that specifies either 9slice texture or Aseprite flipbook.",
  "title": "UI Texture File",
  "type": "object",
  "anyOf": [
    {
      "$ref": "./nine_slice.json"
    },
    {
      "$ref": "./aseprite_flipbook.json"
    }
  ]
}