The kind of the version that is required by a version requirement.
Indicates that certain language version is required.
Indicates that certain compiler version is required.
Indicates that certain API version is required.
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.