import type { HeliaRpcMethodConfig } from '../../index.js';
export interface Codec<T> {
    encode: (type: T) => Uint8Array;
    decode: (buf: Uint8Array) => T;
}
export interface CallOptions<Options, Request, Response = unknown> {
    resource: string;
    optionsCodec: Codec<Options>;
    transformOptions?: (obj: any) => Options;
    transformInput?: (obj: any) => Request;
    inputCodec?: Codec<Request>;
    outputCodec?: Codec<Response>;
    transformOutput?: (obj: Response) => any;
}
export declare function streamingCall<Options, Request = unknown, Response = unknown>(opts: CallOptions<Options, Request, Response>): (config: HeliaRpcMethodConfig) => any;
export declare function unaryCall<Options, Request = unknown, Response = unknown>(opts: CallOptions<Options, Request, Response>): (config: HeliaRpcMethodConfig) => any;
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