/**
 * * `exact` - exact
 * * `iexact` - iexact
 * * `contains` - contains
 * * `icontains` - icontains
 * * `in` - in
 * * `gt` - gt
 * * `gte` - gte
 * * `lt` - lt
 * * `lte` - lte
 * * `startswith` - startswith
 * * `istartswith` - istartswith
 * * `endswith` - endswith
 * * `iendswith` - iendswith
 * * `range` - range
 * * `date` - date
 * * `year` - year
 * * `iso_year` - iso_year
 * * `month` - month
 * * `day` - day
 * * `week` - week
 * * `week_day` - week_day
 * * `iso_week_day` - iso_week_day
 * * `quarter` - quarter
 * * `time` - time
 * * `hour` - hour
 * * `minute` - minute
 * * `second` - second
 * * `isnull` - isnull
 * * `regex` - regex
 * * `iregex` - iregex
 */
export declare enum OperatorEnum {
    EXACT = "exact",
    IEXACT = "iexact",
    CONTAINS = "contains",
    ICONTAINS = "icontains",
    IN = "in",
    GT = "gt",
    GTE = "gte",
    LT = "lt",
    LTE = "lte",
    STARTSWITH = "startswith",
    ISTARTSWITH = "istartswith",
    ENDSWITH = "endswith",
    IENDSWITH = "iendswith",
    RANGE = "range",
    DATE = "date",
    YEAR = "year",
    ISO_YEAR = "iso_year",
    MONTH = "month",
    DAY = "day",
    WEEK = "week",
    WEEK_DAY = "week_day",
    ISO_WEEK_DAY = "iso_week_day",
    QUARTER = "quarter",
    TIME = "time",
    HOUR = "hour",
    MINUTE = "minute",
    SECOND = "second",
    ISNULL = "isnull",
    REGEX = "regex",
    IREGEX = "iregex"
}