import type { Observable } from 'rxjs';
import type { PAYLOAD } from '../internal/tokens';
import type { NonEmptyArray } from '../internal/util/functional/non-empty-array.types';
import type { Action, ActionCreator, ActionHandler, AnyAction, AnyActionSpecifier } from './action-bus.types';
export declare type TypeGuard<A, B extends A> = (val: A) => val is B;
export interface CreateActionOptions<ActionKey extends string, Subtype extends string | undefined, Payload, Params extends unknown[]> {
    actionKey: ActionKey;
    subtype?: Subtype;
    source?: string | symbol;
    metadata?: Record<string, unknown>;
    callback?: (...params: Params) => Payload;
}
export declare const createActionCreator: <ActionKey extends string, Subtype extends string | undefined, Payload, Params extends unknown[] = []>(options: CreateActionOptions<ActionKey, Subtype, Payload, Params>) => ActionCreator<ActionKey, Subtype, Payload, Params>;
export declare const createHandler: <ActionType extends AnyAction<unknown>>(guard: TypeGuard<AnyAction<unknown>, ActionType>, handler: ActionHandler<Action<ActionType["type"], NonNullable<ActionType[typeof PAYLOAD]>, ActionType["subtype"]>>) => (action$: Observable<AnyAction>) => import("rxjs").Subscription;
export declare const ofType: <ActionType extends AnyActionSpecifier>(...selectActions: NonEmptyArray<ActionType>) => import("rxjs").OperatorFunction<AnyAction<unknown>, Action<ActionType["type"], NonNullable<ActionType[typeof PAYLOAD]>, ActionType["subtype"]>>;
export declare const notOfType: (...selectActions: NonEmptyArray<AnyActionSpecifier>) => import("rxjs").MonoTypeOperatorFunction<AnyAction<unknown>>;