If this environment variable is set to true when the pragma is used for
the first time, the XS code won't be loaded and, although the 'indirect'
lexical hint will be set to true in the scope of use, the pragma itself
If this environment variable is set to true when the pragma is used for
the first time, the XS code won't be loaded and, although the 'indirect'
lexical hint will be set to true in the scope of use, the pragma itself