import { Entity, Reducer, ReducerMetadata, RequestMetadata } from '../types/reducers.types';
import { DeleteEntitiesAction, FailAction, RequestAction, SaveNothingAction, SavePartialEntitiesAction, SavePartialPatternToEntitiesAction, SavePartialReducerMetadataAction, SaveWholeEntitiesAction, SaveWholeReducerMetadataAction } from '../types/actions.types';
/**
 * Updates a reducer's 'requests' prop and sets the 'isPending' property of
 * the request object, corresponding to the action's request id, to true.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {RequestAction} action - Request action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleRequest<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity, RequestMetadataT extends RequestMetadata>(state: Reducer<ReducerMetadataT, EntityT>, action: RequestAction<ActionTypeT, RequestMetadataT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates nothing in the reducer's 'metadata' nor 'data' props, but updates
 * the 'requests' prop to reflect that the corresponding request
 * has been completed successfully.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {SaveNothingAction} action - Save nothing success action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleSaveNothing<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: SaveNothingAction<ActionTypeT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates a reducer's 'metadata' prop,
 * as well as the 'requests' prop to reflect that the corresponding request
 * has been completed successfully.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {SaveWholeReducerMetadataAction} action - Save whole reducer metadata
 *        success action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleSaveWholeReducerMetadata<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: SaveWholeReducerMetadataAction<ActionTypeT, ReducerMetadataT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates a subset of properties in a reducer's 'metadata' prop,
 * as well as the 'requests' prop to reflect that the corresponding request
 * has been completed successfully.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {SavePartialReducerMetadataAction} action - Save partial reducer
 *        metadata success action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleSavePartialReducerMetadata<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: SavePartialReducerMetadataAction<ActionTypeT, ReducerMetadataT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates a reducer's 'data' prop with whole entities' data,
 * the 'metadata' prop with the corresponding partial reducer metadata,
 * and the 'requests' prop to reflect that the corresponding request has been
 * completed successfully.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {SaveWholeEntitiesAction} action - Save whole entities success action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleSaveWholeEntities<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: SaveWholeEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates a subset of props in a reducer's entities,
 * as well as the 'requests' prop to reflect that the corresponding request
 * has been completed successfully. The '__edges__' prop of the entities is
 * not replaced completely. Instead, only the provided subset of __edges__ is
 * updated.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {SavePartialEntitiesAction} action - Save partial entity success
 *        action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleSavePartialEntities<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: SavePartialEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates one subset of props in many reducers' entities,
 * as well as the 'requests' prop to reflect that the corresponding request
 * has been completed successfully. The '__edges__' prop of the entities is
 * not replaced completely. Instead, only the provided subset of __edges__ is
 * updated.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {SavePartialEntitiesAction} action - Save partial entity success
 *        action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleSavePartialPatternToEntities<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: SavePartialPatternToEntitiesAction<ActionTypeT, ReducerMetadataT, EntityT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Deletes a set of a reducer's entities,
 * as well as the 'requests' prop to reflect that the corresponding request
 * has been completed successfully.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {DeleteEntitiesAction} action - Delete entities success action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleDeleteEntities<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: DeleteEntitiesAction<ActionTypeT, ReducerMetadataT>): Reducer<ReducerMetadataT, EntityT>;
/**
 * Updates a reducer's 'requests' prop to reflect that the corresponding
 * request has failed.
 *
 * @param {Reducer} state - The current state of the reducer
 * @param {FailAction} action - Fail action
 * @returns {Reducer} Updated reducer state
 */
export declare function handleFail<ActionTypeT extends string, ReducerMetadataT extends ReducerMetadata, EntityT extends Entity>(state: Reducer<ReducerMetadataT, EntityT>, action: FailAction<ActionTypeT>): Reducer<ReducerMetadataT, EntityT>;