import { TLSStruct } from "./TLSStruct.js";
import * as TypeSpecs from "./TypeSpecs.js";
export declare enum AlertLevel {
    warning = 1,
    fatal = 2
}
export declare enum AlertDescription {
    close_notify = 0,
    unexpected_message = 10,
    bad_record_mac = 20,
    decryption_failed_RESERVED = 21,
    record_overflow = 22,
    decompression_failure = 30,
    handshake_failure = 40,
    no_certificate_RESERVED = 41,
    bad_certificate = 42,
    unsupported_certificate = 43,
    certificate_revoked = 44,
    certificate_expired = 45,
    certificate_unknown = 46,
    illegal_parameter = 47,
    unknown_ca = 48,
    access_denied = 49,
    decode_error = 50,
    decrypt_error = 51,
    export_restriction_RESERVED = 60,
    protocol_version = 70,
    insufficient_security = 71,
    internal_error = 80,
    user_canceled = 90,
    no_renegotiation = 100,
    unsupported_extension = 110,
    certificate_unobtainable_RESERVED = 111,
    unrecognized_name = 112,
    bad_certificate_status_response = 113,
    bad_certificate_hash_value_RESERVED = 114,
    unknown_psk_identity = 115,
    certificate_required = 116,
    no_application_protocol = 120
}
export declare class Alert extends TLSStruct {
    level: AlertLevel;
    description: AlertDescription;
    static readonly __spec: {
        level: TypeSpecs.Enum;
        description: TypeSpecs.Enum;
    };
    static readonly spec: TypeSpecs.Struct;
    constructor(level: AlertLevel, description: AlertDescription);
    static createEmpty(): Alert;
}