export type PayloadAction<Payload = void, Type extends string = string, Meta = never, Error = never> = {
    payload: Payload;
    type: Type;
} & ([Meta] extends [never] ? unknown : {
    meta: Meta;
}) & ([Error] extends [never] ? unknown : {
    error: Error;
});
export type PrepareAction<Payload> = ((...args: any[]) => {
    payload: Payload;
}) | ((...args: any[]) => {
    payload: Payload;
    meta: any;
}) | ((...args: any[]) => {
    payload: Payload;
    error: any;
}) | ((...args: any[]) => {
    payload: Payload;
    meta: any;
    error: any;
});
type IsAny<T, True, False = never> = true | false extends (T extends never ? true : false) ? True : False;
type IsUnknown<T, True, False = never> = unknown extends T ? IsAny<T, False, True> : False;
type IfMaybeUndefined<Payload, True, False> = [undefined] extends [Payload] ? True : False;
type IfVoid<Payload, True, False> = [void] extends [Payload] ? True : False;
type IsEmptyObject<T, True, False = never> = T extends unknown ? keyof T extends never ? IsUnknown<T, False, IfMaybeUndefined<T, False, IfVoid<T, False, True>>> : False : never;
type AtLeastTs35<True, False> = [True, False][IsUnknown<ReturnType<(<T>() => T)>, 0, 1>];
type IsUnknownOrNonInferrable<T, True, False> = AtLeastTs35<IsUnknown<T, True, False>, IsEmptyObject<T, True, IsUnknown<T, True, False>>>;
type BaseActionCreator<Payload, Type extends string, Meta = never, Error = never> = {
    type: Type;
    toString(): Type;
    match(action: unknown): action is PayloadAction<Payload, Type, Meta, Error>;
};
export type ActionCreatorWithPayload<Payload, Type extends string = string> = BaseActionCreator<Payload, Type> & {
    (payload: Payload): PayloadAction<Payload, Type>;
};
export type ActionCreatorWithOptionalPayload<Payload, Type extends string = string> = BaseActionCreator<Payload, Type> & {
    (payload?: Payload): PayloadAction<Payload, Type>;
};
export type ActionCreatorWithoutPayload<Type extends string = string> = BaseActionCreator<undefined, Type> & {
    (noArgument: void): PayloadAction<undefined, Type>;
};
export type ActionCreatorWithNonInferrablePayload<Type extends string = string> = BaseActionCreator<unknown, Type> & {
    <Payload>(payload: Payload): PayloadAction<Payload, Type>;
};
export type ActionCreatorWithPreparedPayload<Args extends unknown[], Payload, Type extends string = string, Error = never, Meta = never> = BaseActionCreator<Payload, Type, Meta, Error> & {
    (...args: Args): PayloadAction<Payload, Type, Meta, Error>;
};
type PreparedPayloadActionCreator<Prepare extends PrepareAction<any>, Type extends string> = ActionCreatorWithPreparedPayload<Parameters<Prepare>, ReturnType<Prepare>['payload'], Type, ReturnType<Prepare> extends {
    error: infer Error;
} ? Error : never, ReturnType<Prepare> extends {
    meta: infer Meta;
} ? Meta : never>;
type _ActionCreatorWithPreparedPayload<Prepare extends PrepareAction<any> | void, Type extends string = string> = Prepare extends PrepareAction<any> ? PreparedPayloadActionCreator<Prepare, Type> : void;
type IfPrepareActionMethodProvided<Prepare, True, False> = Prepare extends (...args: any[]) => any ? True : False;
export type PayloadActionCreator<Payload = void, Type extends string = string, Prepare extends PrepareAction<Payload> | void = void> = IfPrepareActionMethodProvided<Prepare, _ActionCreatorWithPreparedPayload<Prepare, Type>, IsAny<Payload, ActionCreatorWithPayload<any, Type>, IsUnknownOrNonInferrable<Payload, ActionCreatorWithNonInferrablePayload<Type>, IfVoid<Payload, ActionCreatorWithoutPayload<Type>, IfMaybeUndefined<Payload, ActionCreatorWithOptionalPayload<Payload, Type>, ActionCreatorWithPayload<Payload, Type>>>>>>;
export declare function createAction<Payload = void, Type extends string = string>(type: Type): PayloadActionCreator<Payload, Type>;
export declare function createAction<Prepare extends PrepareAction<any>, Type extends string = string>(type: Type, prepareAction: Prepare): PayloadActionCreator<ReturnType<Prepare>['payload'], Type, Prepare>;
export {};