my $elements = $Extract->elements;
The elements method extracts from the Pod any parts of the file that are
relevant to the extraction and generation process of Test::Inline.
The elements will be either a package statements, or a section of inline
unit tests. They will only be returned if there is at least one section
of inline unit tests.
Returns a reference to an array of package strings and sections of inline
unit tests. Returns false if there are no sections containing inline