import type { ReadonlySignal, Dispose } from '@nonoun/native-core';
import type { Command, CommandMeta, CommandHandler, CommandMiddleware, CommandFilter } from './types.ts';
export declare class CommandBus {
    #private;
    readonly lastCommand: ReadonlySignal<Command | null>;
    readonly dispatching: ReadonlySignal<boolean>;
    readonly errors: ReadonlySignal<Error | null>;
    on(typeOrFilter: string | CommandFilter, handler: CommandHandler): Dispose;
    use(middleware: CommandMiddleware): Dispose;
    dispatch(typeOrCommand: string | Command, payload?: unknown, meta?: Partial<CommandMeta>): Command;
}
export declare function createCommandBus(): CommandBus;
//# sourceMappingURL=command-bus.d.ts.map