import { MaybeObservable } from './types.js';
import { RollBackwardEvent, RollForwardEvent, WithBlock } from '../../types.js';
export declare type UnifiedEventHandler<PropsIn, PropsOut> = (evt: RollForwardEvent<PropsIn> | RollBackwardEvent<PropsIn & WithBlock>) => MaybeObservable<RollForwardEvent<PropsOut> | RollBackwardEvent<PropsOut & WithBlock>>;
export declare const unifiedProjectorOperator: <PropsIn, PropsOut = PropsIn>(handler: UnifiedEventHandler<PropsIn, PropsOut>) => <SourceExtraRollForwardPropsIn extends PropsIn, SourceExtraRollBackwardPropsIn extends PropsIn & WithBlock>() => import("../../types.js").ExtChainSyncOperator<SourceExtraRollForwardPropsIn, SourceExtraRollBackwardPropsIn, PropsOut, PropsOut>;
//# sourceMappingURL=unifiedProjectorOperator.d.ts.map