import type { ICommand } from './ICommand.ts';
import type { IMessageMeta } from './IMessageMeta.ts';
import type { IObservable } from './IObservable.ts';
import type { IObserver } from './IObserver.ts';
export type CommandOptions = IMessageMeta & {
    payload?: object;
    context?: object;
    [key: string]: any;
};
export interface ICommandBus extends IObservable {
    send(command: ICommand, meta?: IMessageMeta): Promise<any>;
    send(commandType: string, aggregateId?: string, options?: CommandOptions): Promise<any>;
    /** @deprecated Use {@link send} */
    sendRaw(command: ICommand): Promise<any>;
}
export interface ICommandHandler extends IObserver {
    subscribe(commandBus: ICommandBus): void;
}