export declare const MODERN_CLIENT_OPTIONS: {
    readonly versionNegotiation: {
        readonly mode: {
            readonly pin: "2026-07-28";
        };
    };
};
export declare const CLIENT_VERSION_MATRIX: readonly [readonly ["legacy", undefined], readonly ["modern", {
    readonly versionNegotiation: {
        readonly mode: {
            readonly pin: "2026-07-28";
        };
    };
}]];