Parameter points to an array of items.
This symbol is a constructor, not a static method.
NULL must not be passed as the value in, out, in-out; or as a return value.
NULL may be passed as the value in, out, in-out; or as a return value.
NULL may be passed instead of a pointer to a location.
Parameter for returning results. Default is transfer full.
Out parameter, where caller must allocate storage.
The caller owns the data, and is responsible for free it.
The data is owned by the callee, which is responsible of freeing it.