export declare type ValidTargetType = number | string | symbol;
export interface Dispatch {
    (action: Action<any, any>): void;
    (thunk: Thunk): Promise<void>;
}
export interface Thunk {
    (dispatch: Dispatch): Promise<void>;
}
export interface Action<TPayload = undefined, TMeta = undefined> {
    type: string;
    payload?: TPayload;
    meta?: TMeta;
}
export interface TargetedAction<TPayload = undefined, TMeta = undefined> extends Action<TPayload, TMeta> {
    target?: ValidTargetType | ValidTargetType[];
    broadcast: boolean;
}
export interface ActionDescriptor<TPayload = undefined, TMeta = undefined> {
    type: string;
    create(payload?: TPayload, meta?: TMeta): Action<TPayload, TMeta>;
    is(action: Action<any, any>): action is Action<TPayload, TMeta>;
}
export declare function createActionDescriptor<TPayload = undefined, TMeta = undefined>(type: string): ActionDescriptor<TPayload, TMeta>;
export interface TargetedActionDescriptorCreator<TPayload = undefined, TMeta = undefined> {
    unicast(target: ValidTargetType, payload?: TPayload, meta?: TMeta): TargetedAction<TPayload, TMeta>;
    multicast(targets: ValidTargetType[], payload?: TPayload, meta?: TMeta): TargetedAction<TPayload, TMeta>;
    broadcast(payload?: TPayload, meta?: TMeta): TargetedAction<TPayload, TMeta>;
}
export interface TargetedActionDescriptor<TPayload = undefined, TMeta = undefined> {
    type: string;
    create: TargetedActionDescriptorCreator<TPayload, TMeta>;
    is(id: ValidTargetType, action: Action<any, any>): action is TargetedAction<TPayload, TMeta>;
}
export declare function createTargetedActionDescriptor<TPayload = undefined, TMeta = undefined>(type: string): TargetedActionDescriptor<TPayload, TMeta>;