Only index the document if the given version is equal or higher than the
version of the stored document or if there is no existing document. Note: the
external_gte version type is meant for special use cases and should be used
with care. If used incorrectly, it can result in loss of data.
Returns the enum constant of this class with the specified name.
The string must match exactly an identifier used to declare an
enum constant in this class. (Extraneous whitespace characters are
not permitted.)
Parameters:
name - the name of the enum constant to be returned.