import { Entity, Reducer, ReducerConfig, ReducerData, ReducerMetadata } from '../types/reducers.types';
export declare const defaultReducerConfig: ReducerConfig;
/**
 * Creates initial state of reducer.
 * The 'EntityT' generic type required by this function is not inferred from
 * the function's arguments when 'initialReducerData' is an empty object,
 * therefore it is recommended that consumers declare the function's generic
 * types explicitly in function calls.
 *
 * @param {ReducerMetadata} initialReducerMetadata - Initial reducer metadata
 * @param {ReducerData} initialReducerData - Initial reducer data
 * @param {ReducerConfig} [config] - Custom config params
 * @returns {Reducer} Reducer's initial state
 */
export declare function createInitialState<ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(initialReducerMetadata: ReducerMetadataT, initialReducerData: ReducerData<EntityT>, config?: Partial<ReducerConfig>): Reducer<ReducerMetadataT, EntityT>;