import { Identity } from 'ts-eventsourcing/ValueObject/Identity';
import { ReadModelAction, ReadModelMetadata } from '../ReadModelAction';
import { SimpleProjectorGateway } from './SimpleProjectorGateway';
/**
 * Only dispatched actions when store has a state change.
 */
export declare class DistinctProjectorGateway<State, Id extends Identity, Metadata extends ReadModelMetadata<Id> = ReadModelMetadata<Id>, Action extends ReadModelAction<Id, Metadata> = ReadModelAction<Id, Metadata>> extends SimpleProjectorGateway<State, Id, Metadata, Action> {
    dispatchActionAndSave(id: Id, action: Action): Promise<void>;
}