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.)
Parameters:
name - the name of the enum constant to be returned.
The level a configuration value names, ignoring case, or null for one this
does not know. Compared without toUpperCase, which is locale sensitive:
on a Turkish host "info" would not fold to "INFO".