import { DocumentActions, DocumentStateChangeAction } from './document.actions';
import { EntityState } from '@ngrx/entity';
import { Action } from '@ngrx/store';
export interface FirestoreDocumentState {
    [collectionPath: string]: EntityState<any>;
}
export declare const firestoreDocumentInitialState: FirestoreDocumentState;
export declare function isDocumentStateChangeAction(action: Action): action is DocumentStateChangeAction;
export declare function getEntityState(state: FirestoreDocumentState, action: DocumentStateChangeAction): EntityState<any>;
export declare function firestoreDocumentReducer(state: FirestoreDocumentState, action: DocumentActions<any, any>): FirestoreDocumentState;