import { DnsRecord } from "../records";
export declare type BooleanToBit<T> = {
    [K in keyof T]: T[K] extends boolean ? number : T[K];
};
export declare const QueryTypes: {
    A: number;
    NS: number;
    MD: number;
    MF: number;
    CNAME: number;
    SOA: number;
    MB: number;
    MG: number;
    MR: number;
    NULL: number;
    WKS: number;
    PTR: number;
    HINFO: number;
    MINFO: number;
    MX: number;
    TXT: number;
    AAAA: number;
    SRV: number;
    AXFR: number;
    MAILA: number;
    MAILB: number;
    ANY: number;
    OPT: number;
};
export declare const InverseQueryMap: any;
export declare type QueryType = keyof typeof QueryTypes;
export declare enum QueryResponseFlag {
    Query = 0,
    Response = 1
}
/**
 * OPCODE
 */
export declare enum OperationCode {
    StandardQuery = 0,
    ServerStatus = 2,
    Notify = 4,
    Update = 5,
    DSO = 6
}
/**
 * RCODE
 */
export declare enum ResponseCode {
    Okay = 0,
    FormatError = 1,
    ServerFailure = 2,
    NotFound = 3,
    NotImplemented = 4,
    Refused = 5,
    YXDomain = 6,
    YXRRSet = 7,
    NXRRSet = 8,
    NotAuthority = 9,
    NotInZone = 10,
    BadSig = 16,
    BadKey = 17,
    BadTime = 18,
    BadMode = 19,
    BadName = 20,
    BadAlgorithm = 21,
    BadTruncation = 22,
    BadCookie = 23
}
export declare enum DnsClass {
    Internet = 1
}
export interface DnsQuestion {
    name: string;
    type: QueryType;
}
export interface DnsResourceRecord {
    name: string;
    class: DnsClass;
    type: QueryType;
    data: any;
    ttl: number;
}
export interface DnsAnswer<T extends DnsRecord = any> extends DnsResourceRecord {
    data: T;
}
export interface DnsMessage {
    id: number;
    operationCode: OperationCode;
    /**
     * QR flag
     */
    queryResponse: QueryResponseFlag;
    /**
     * AA flag
     */
    authoritativeAnswer: boolean;
    /**
     * TC flag
     */
    truncation: boolean;
    /**
     * RD flag
     */
    recursionDesired: boolean;
    /**
     * RA flag
     */
    recursionAvailable: boolean;
    /**
     * AD flag
     */
    authenticatedData: boolean;
    /**
     * CD flag
     */
    checkingDisabled: boolean;
    responseCode: ResponseCode;
    questions?: DnsQuestion[];
    answers?: DnsAnswer[];
    authorities?: DnsResourceRecord[];
    additional?: DnsResourceRecord[];
}
export interface DnsQueryMessage extends DnsMessage {
    queryResponse: QueryResponseFlag.Query;
}
export interface DnsResponseMessage extends DnsMessage {
    queryResponse: QueryResponseFlag.Response;
}
export interface DnsMessageWithCounts extends DnsMessage {
    questionCount: number;
    answerCount: number;
    nameserverCount: number;
    additionalRecordCount: number;
}