import { Action } from '@ngrx/store';
export declare type OnEventHandler<Context, Event> = (this: Context, $event: Event) => Action | Action[];
export declare type OnEventMapEntry<Context = any, Event = any> = {
    output: string;
    handler: OnEventHandler<Context, Event>;
};
export declare function OnEvent<Event, Context>(output: string, handler: OnEventHandler<Context, Event>): (target: Partial<Pick<Context, Exclude<keyof Context, "getControl" | "getValue" | "getValue$" | "__result" | "__definition" | "__controls" | "__state$" | "__state" | "__steps" | "__validateAndUpdateGroup" | "processDecorator" | "processControlDecorator" | "processSteps" | "processGroupDecorator" | "processArrayDecorator" | "processGroupValidatorDecorator" | "processArrayValidatorDecorator" | "processValidatorDecorator" | "processControlValidatorDecorator" | "buildFormControl" | "buildFormArray" | "init" | "processOnSetValue" | "processAsyncValidators" | "ngOnInit" | "forEachControl" | "getControlByControlId" | "box" | "setValue" | "__initialized" | "__formId" | "__localControlId" | "__stepControl" | "__controlId" | "__controlPath" | "__value$" | "__value" | "__initial" | "__controlName" | "__parent" | "__root" | "__uuid" | "__onInit$" | "__onDestroy$" | "__onReset$" | "store$" | "logger" | "injector" | "setControlId" | "ngOnDestroy" | "isEqual" | "buildFormGroup" | "processAsyncValidatorsDecorator" | "processOnSetValueDecorator">>>, propertyKey: string) => void;