operator represents a key's relationship to a set of values. Valid operators are In and NotIn
The value of the key should be in the given list.
The value of the key should not be in the given list.
The value of the key should exist.
The value of the key should not exist.
Returns a representation of an immutable list of all enum entries, in the order they're declared.
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.