/// <reference types="node" />
import ISerializer, { InputOf, OutputOf, JSONOutputOf } from "./ISerializer";
declare type TInput<T> = InputOf<T> | null | undefined;
declare type TOutput<T> = OutputOf<T> | null;
declare type TJSONOutput<T> = JSONOutputOf<T> | null;
export declare class OptionalSerializer<T extends ISerializer> extends ISerializer<TInput<T>, TOutput<T>, TJSONOutput<T>> {
    readonly serializer: T;
    constructor(serializer: T);
    toJSON(value: TInput<T>): TJSONOutput<T>;
    fromJSON(value: TJSONOutput<T>): TOutput<T>;
    toBuffer(value: TInput<T>): Buffer;
    readFromBuffer(buffer: Buffer, offset?: number): {
        res: TOutput<T>;
        newOffset: number;
    };
}
export default function optional<T extends ISerializer>(serializer: T): OptionalSerializer<T>;
export {};