Filter default license types. Allows the default license types to be modified to add or remove license types.
array $license_type_defaults
The default license types to be filtered.
Example usage:
<?php
add_filter( 'slswc_license_type_defaults', function( $license_type_defaults ) {
unset( $license_type_defaults['lifetime'] ); // remove the lifetime license type
return $license_type_defaults;
});