Return the result set form the last getList() call as a collection of File Objects.
If more than one FileType is expected in the result set, this method eturns an array of arrays of file objects
Default behavour:
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Multi Object Type behaviour:
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ARRAY of File OBJECTs
$results = $obj_list->getObjects()
$obj_list->addFileType('document');
$obj_list->addFileType('user');
$results = $obj_list->getObjects()