import type { IChannel, Message } from '../core/types';
export type { IChannel } from '../core/types';
export declare abstract class BaseChannel implements IChannel {
    abstract type: string;
    protected handler: ((message: Message) => Promise<Message>) | null;
    onMessage(handler: (message: Message) => Promise<Message>): void;
    abstract start(): Promise<void>;
    abstract stop(): Promise<void>;
}
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