import { Subject } from "rxjs";
export type RpcMessage = {
    id: number;
    request?: {
        service: string;
        method: string[];
        args: any[];
    };
    cancel?: {
        id: number;
    };
    disconnect?: boolean;
    response?: Partial<{
        data: any;
        error?: {
            code: string;
            message: string;
            stack?: string;
        };
        completed: boolean;
    }>;
};
export declare abstract class RpcChannel extends Subject<RpcMessage & {
    respond: (msg: RpcMessage['response']) => void;
    connection_id?: string;
}> {
    abstract send(message: RpcMessage): void;
}
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