/**
 * @internalapi
 *
 * The Serializer handles message serialization/deserialization based on protocol version
 * - Protocol v1: Base58check encoding
 * - Protocol v2+: Plain JSON
 */
export declare class Serializer {
    private readonly protocolVersion;
    constructor(protocolVersion?: number);
    /**
     * Serialize a message based on protocol version
     * @param message JSON object to serialize
     */
    serialize(message: unknown): Promise<string>;
    /**
     * Deserialize a message based on protocol version
     * @param encoded String to be deserialized
     */
    deserialize(encoded: string): Promise<unknown>;
}