import { DeleteEntitiesAction, FailAction, RequestAction, SaveNothingAction, SavePartialEntitiesAction, SavePartialPatternToEntitiesAction, SavePartialReducerMetadataAction, SaveWholeEntitiesAction, SaveWholeReducerMetadataAction } from '../types/actions.types';
import { Entity, Reducer, ReducerMetadata } from '../types/reducers.types';
/**
 * Duplicates the state object with shallow copies of the 'data', 'metadata',
 * and 'requests' props
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {
 *          | RequestAction
 *          | SaveNothingaAction
 *          | SaveWholeReducerMetadataAction
 *          | SavePartialReducerMetadataAction
 *          | SaveWholeEntitiesAction
 *          | SavePartialEntitiesAction
 *          | SavePartialPatternToEntitiesAction
 *          | DeleteEntitiesAction
 *          | FailAction
 *        } action - Action to handle
 * @returns {Reducer} Duplicated state object
 */
export declare function duplicateState<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: RequestAction<ActionTypeT, any> | SaveNothingAction<ActionTypeT> | SaveWholeReducerMetadataAction<ActionTypeT, ReducerMetadataT> | SavePartialReducerMetadataAction<ActionTypeT, ReducerMetadataT> | SaveWholeEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT> | SavePartialEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT> | SavePartialPatternToEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT> | DeleteEntitiesAction<ActionTypeT, ReducerMetadataT> | FailAction<ActionTypeT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates a reducer's props other than the 'data' prop for success and fail
 * actions.
 * The function mutates the passed state for two reasons:
 * 1. Because it is exclusively used by the other handlers in this file, all of
 * which have already created a copy of the redux state.
 * 2. To avoid an additional and unnecessary duplication of the redux state,
 * which could result in a reduction in performance in the application.
 *
 * @param {Reducer} newState - A copy of the redux state
 * @param {
 *          | SaveNothingAction
 *          | SaveWholeReducerMetadataAction
 *          | SavePartialReducerMetadataAction
 *          | SaveWholeEntitiesAction
 *          | SavePartialEntitiesAction
 *          | SavePartialPatternToEntitiesAction
 *          | DeleteEntitiesAction
 *          | FailAction
 *        } action - Success or fail action
 */
export declare function handleCommonProps<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(newState: Reducer<ReducerMetadataT, EntityT>, action: SaveNothingAction<ActionTypeT> | SaveWholeReducerMetadataAction<ActionTypeT, ReducerMetadataT> | SavePartialReducerMetadataAction<ActionTypeT, ReducerMetadataT> | SaveWholeEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT> | SavePartialEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT> | SavePartialPatternToEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT> | DeleteEntitiesAction<ActionTypeT, ReducerMetadataT> | FailAction<ActionTypeT>): void;
/**
 * Updates a reducer's completed requests cache. That is, removes the oldest
 * completed requests according to the reducer config's 'successRequestsCache'
 * and 'failRequestsCache' params.
 *
 * @param {Reducer} newState - A copy of the redux state
 */
export declare function updateCompletedRequestsCache<ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(newState: Reducer<ReducerMetadataT, EntityT>): void;