/**
 * Property level decorator. Specifies if a property is not a relation.
 * Property automatically becomes a relation property if it has `{}Id` name structure,
 * but if the `@notRelation` decorator is used then the property will not be considered a relation property.
 *
 * Sets `{@link PropertyMeta.notRelation}`.
 */
export declare function notRelation(): (target: object, key: string) => void;
