import * as io from "../io.js";
import * as codec from "./mod.js";
export declare class FrameCodec {
    codec: codec.Codec;
    constructor(codec: codec.Codec);
    encoder(w: io.Writer): codec.Encoder;
    decoder(r: io.Reader): codec.Decoder;
}
export declare class FrameEncoder {
    w: io.Writer;
    codec: codec.Codec;
    constructor(w: io.Writer, codec: codec.Codec);
    encode(v: any): Promise<void>;
}
export declare class FrameDecoder {
    r: io.Reader;
    dec: codec.Decoder;
    constructor(r: io.Reader, dec: codec.Decoder);
    decode(len?: number): Promise<any>;
}