export declare const REGEX_FOLD_LINE_BREAK: RegExp;
export declare const REGEX_ICS_LINE_BREAK: RegExp;
export declare const TEST_PERIOD_TYPE: RegExp;
export declare const TEST_UTC_OFFSET_TYPE: RegExp;
export declare const ICS_LINE_BREAK = "\r\n";
export declare const KEYWORD: {
    Begin: string;
    End: string;
};
export declare const COMPONENT: {
    Alarm: string;
    Calendar: string;
    DayLight: string;
    Event: string;
    FreeBusy: string;
    Journal: string;
    Standard: string;
    Timezone: string;
    Todo: string;
};
export declare const PROPERTY: {
    Action: string;
    Attach: string;
    Attendee: string;
    CalScale: string;
    Categories: string;
    Class: string;
    Comment: string;
    Completed: string;
    Contact: string;
    Created: string;
    Description: string;
    DTEnd: string;
    DTStamp: string;
    DTStart: string;
    Due: string;
    Duration: string;
    ExDate: string;
    FreeBusy: string;
    Geo: string;
    LastModified: string;
    Location: string;
    Method: string;
    Organizer: string;
    PercentComplete: string;
    Priority: string;
    ProdId: string;
    RDate: string;
    RecurrenceId: string;
    RelatedTo: string;
    Repeat: string;
    RequestStatus: string;
    Resources: string;
    RRule: string;
    Sequence: string;
    Status: string;
    Summary: string;
    Transp: string;
    Trigger: string;
    TZID: string;
    TZName: string;
    TZOffsetFrom: string;
    TZOffsetTo: string;
    TZUrl: string;
    UID: string;
    Url: string;
    Version: string;
    Extended: {
        WR: {
            CalendarDesc: string;
            CalendarName: string;
            Timezone: string;
        };
    };
};
export declare const PARAMETER: {
    AltRep: string;
    CN: string;
    CUType: string;
    DelegatedFrom: string;
    DelegatedTo: string;
    Dir: string;
    Email: string;
    Encoding: string;
    FBType: string;
    Filename: string;
    FmtType: string;
    Language: string;
    Member: string;
    PartStat: string;
    Range: string;
    Related: string;
    RelType: string;
    Role: string;
    Rsvp: string;
    SentBy: string;
    TZID: string;
    Value: string;
};
export declare const VALUE_DATA_TYPE: {
    Binary: string;
    Boolean: string;
    CalAddress: string;
    Date: string;
    DateTime: string;
    Duration: string;
    Float: string;
    Integer: string;
    Period: string;
    Recur: string;
    Text: string;
    Time: string;
    URI: string;
    UTCOffset: string;
};
export declare const CALENDAR_USER_TYPE: {
    Group: string;
    Individual: string;
    Resource: string;
    Room: string;
    Unknown: string;
};
export declare const FREE_BUSY_TIME_TYPE: {
    Busy: string;
    BusyTentative: string;
    BusyUnavailable: string;
    Free: string;
};
export declare const PARTICIPANT_STATUS_TYPE: {
    Accepted: string;
    Completed: string;
    Declined: string;
    Delegated: string;
    InProgress: string;
    NeedsAction: string;
    Tentative: string;
};
export declare const EVENT_STATUS_TYPE: {
    Cancelled: string;
    Confirmed: string;
    Tentative: string;
};
export declare const RELATIONSHIP_TYPE: {
    Child: string;
    Parent: string;
    Sibling: string;
};
export declare const PARTICIPATION_ROLE_TYPE: {
    Chair: string;
    NonParticipant: string;
    OptParticipant: string;
    ReqParticipant: string;
};
export declare const ACTION_TYPE: {
    Audio: string;
    Display: string;
    Email: string;
    Procedure: string;
};
export declare const CLASSIFICATION_TYPE: {
    Confidential: string;
    Private: string;
    Public: string;
};