import type { ApiChannelConfig, IChannel, Message } from '../core/types';
export declare class ApiChannel implements IChannel {
    private config;
    readonly type = "api";
    private app;
    private handler?;
    private server?;
    constructor(config: ApiChannelConfig);
    private setupRoutes;
    onMessage(handler: (msg: Message) => Promise<Message>): void;
    start(): Promise<void>;
    stop(): Promise<void>;
}
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