Sets the environment variable @variable in the environment of
processes launched from this launcher.
On UNIX, both the variable's name and value can be arbitrary byte
strings, except that the variable's name cannot contain '='.
On Windows, they should be in UTF-8.
Sets the environment variable @variable in the environment of processes launched from this launcher.
On UNIX, both the variable's name and value can be arbitrary byte strings, except that the variable's name cannot contain '='. On Windows, they should be in UTF-8.