export enum QueryFilterOperator {
    Eq = 1,
    Neq = 2,
    Gt = 3,
    Lt = 4,
    Geq = 5,
    Leq = 6,
    Contains = 7,
    BeginsWith = 8,
    ContainsAll = 9,
    ContainsAny = 10,
    IsNull = 11,
    IsNotNull = 12
}