/**
 * Packed protocol semver of the wire contract this port implements,
 * `pack(0, 11, 0)` per `core/binary_protocol/src/version.rs`. Bump together
 * with the Rust `IGGY_PROTOCOL_VERSION` on any wire-incompatible change.
 */
export declare const IGGY_PROTOCOL_VERSION: number;
/**
 * `LoginRegisterRequest` body:
 * `[ClientVersionInfo][username len u8 + bytes][password len u8 + bytes]
 * [context len u32][context]`.
 */
export declare const serializeLoginRegister: (username: string, password: string, sdkVersion: string) => Buffer;
/** `LoginRegisterWithPatRequest` body: the PAT takes the credential slot. */
export declare const serializeLoginRegisterWithPat: (token: string, sdkVersion: string) => Buffer;
/** Decoded `LoginRegisterResponse`. */
export type LoginRegisterResponse = {
    userId: number;
    session: bigint;
    serverProtocolVersion: number;
    serverVersion: string;
};
/**
 * `[user_id u32][session u64][server_protocol_version u32]
 * [server_version len u8 + bytes]`.
 */
export declare const deserializeLoginRegister: (body: Buffer) => LoginRegisterResponse;
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