import type { AttrConfig, CallableAttrConfig, WritableAttrConfig } from './Entity';
/**
 * Type Guard for testing that the provided `attrConfig` is a [[`WritableAttrConfig`]].
 *
 * @param attrConfig
 */
export declare const isWritableAttrConfig: (attrConfig: unknown) => attrConfig is WritableAttrConfig<any>;
/**
 * Type Guard for testing that the provided `attrConfig` is an [[`AttrConfig`]].
 *
 * @param attrConfig
 */
export declare const isAttrConfig: (attrConfig: unknown) => attrConfig is AttrConfig;
/**
 * Type Guard for testing that the provided `attrConfig` is a [[`CallableAttrConfig`]].
 *
 * @param attrConfig
 */
export declare const isCallableAttrConfig: (attrConfig: unknown) => attrConfig is CallableAttrConfig<any>;