export declare function parseSniExtension(data: Buffer): {
    serverName: string | undefined;
} | null;
export declare function parseSupportedGroupsExtension(data: Buffer): {
    groups: number[];
};
export declare function parseEcPointFormatsExtension(data: Buffer): {
    formats: number[];
};
export declare function parseSignatureAlgorithmsExtension(data: Buffer): {
    algorithms: number[];
};
export declare function parseAlpnExtension(data: Buffer): {
    protocols: string[];
};
export declare function parseMaxFragmentLengthExtension(data: Buffer): {
    maxFragmentLength: number;
};
export declare function parseStatusRequestExtension(data: Buffer): {
    statusType: number;
};
export declare function parseStatusRequestV2Extension(data: Buffer): {
    statusTypes: number[];
};
export declare function parsePaddingExtension(data: Buffer): {
    paddingLength: number;
};
export declare function parseCompressCertificateExtension(data: Buffer): {
    algorithms: number[];
};
export declare function parseRecordSizeLimitExtension(data: Buffer): {
    recordSizeLimit: number;
};
export declare function parseSessionTicketExtension(data: Buffer): {
    ticketLength: number;
};
export declare function parsePreSharedKeyExtension(data: Buffer): {
    identities: {
        identityLength: number;
        obfuscatedTicketAge: number;
    }[];
};
export declare function parseSupportedVersionsExtension(data: Buffer): {
    versions: number[];
};
export declare function parseCookieExtension(data: Buffer): {
    cookieLength: number;
};
export declare function parsePskKeyExchangeModesExtension(data: Buffer): {
    modes: number[];
};
export declare function parseSignatureAlgorithmsCertExtension(data: Buffer): {
    algorithms: number[];
};
export declare function parseKeyShareExtension(data: Buffer): {
    entries: {
        group: number;
        keyExchangeLength: number;
    }[];
};
export declare function parseRenegotiationInfoExtension(data: Buffer): {
    renegotiatedConnectionLength: number;
};
export declare function parseHeartbeatExtension(data: Buffer): {
    mode: number;
};
export declare function parseEncryptedClientHelloExtension(data: Buffer): {
    type: number;
    kdfId?: undefined;
    aeadId?: undefined;
    configId?: undefined;
    encLength?: undefined;
    payloadLength?: undefined;
} | {
    type: number;
    kdfId: number;
    aeadId: number;
    configId: number;
    encLength: number;
    payloadLength: number;
};
export declare function parseApplicationSettingsExtension(data: Buffer): {
    protocols: string[];
};
declare function flagExtension(): Record<string, never>;
export declare const extensionParsers: {
    readonly 0: typeof parseSniExtension;
    readonly 1: typeof parseMaxFragmentLengthExtension;
    readonly 5: typeof parseStatusRequestExtension;
    readonly 10: typeof parseSupportedGroupsExtension;
    readonly 11: typeof parseEcPointFormatsExtension;
    readonly 13: typeof parseSignatureAlgorithmsExtension;
    readonly 15: typeof parseHeartbeatExtension;
    readonly 16: typeof parseAlpnExtension;
    readonly 17: typeof parseStatusRequestV2Extension;
    readonly 18: typeof flagExtension;
    readonly 21: typeof parsePaddingExtension;
    readonly 22: typeof flagExtension;
    readonly 23: typeof flagExtension;
    readonly 27: typeof parseCompressCertificateExtension;
    readonly 28: typeof parseRecordSizeLimitExtension;
    readonly 35: typeof parseSessionTicketExtension;
    readonly 41: typeof parsePreSharedKeyExtension;
    readonly 42: typeof flagExtension;
    readonly 43: typeof parseSupportedVersionsExtension;
    readonly 44: typeof parseCookieExtension;
    readonly 45: typeof parsePskKeyExchangeModesExtension;
    readonly 49: typeof flagExtension;
    readonly 50: typeof parseSignatureAlgorithmsCertExtension;
    readonly 51: typeof parseKeyShareExtension;
    readonly 17513: typeof parseApplicationSettingsExtension;
    readonly 65037: typeof parseEncryptedClientHelloExtension;
    readonly 65281: typeof parseRenegotiationInfoExtension;
};
type Parsers = typeof extensionParsers;
export type ExtensionDataMap = {
    [K in keyof Parsers]: NonNullable<ReturnType<Parsers[K]>>;
};
export {};