{
	"$schema": "http://json-schema.org/draft-07/schema#",
	"$id": "https://raw.githubusercontent.com/WordPress/secure-custom-fields/trunk/schemas/internal-fields.schema.json",
	"title": "SCF Internal Fields",
	"description": "Internal fields present in SCF entities (post types, taxonomies, field groups, options pages). These fields are managed by the system and appear in GET/LIST/CREATE/UPDATE/IMPORT/DUPLICATE outputs, but are stripped during EXPORT.",
	"definitions": {
		"internalFields": {
			"type": "object",
			"description": "Internal system-managed fields that appear in entity responses",
			"properties": {
				"ID": {
					"type": "integer",
					"minimum": 1,
					"description": "WordPress post ID. Present in GET/LIST/CREATE/UPDATE/IMPORT/DUPLICATE outputs. Optional in IMPORT input - if provided, updates existing entity; if omitted, creates new entity."
				},
				"_valid": {
					"type": "boolean",
					"description": "Validation cache flag. Indicates whether the entity passed validation."
				},
				"local": {
					"type": "string",
					"enum": ["json"],
					"description": "Source indicator. Present only if entity is locally-defined (e.g., from local JSON files). Stripped during export."
				},
				"not_registered": {
					"type": "boolean",
					"description": "Flag indicating that this post entity could not be registered because another one with the same key already exists. Present only when registration was skipped."
				}
			},
			"additionalProperties": false
		}
	}
}