Filter relationship end by specific model element type.
Filter relationships by modelTypes. If @modelType is defined, @modelTypes will be ignored.
Filter relationship ends based on the way they are attached to the querying element. For example, if 'from' is specified, only relationships that take the querying element as the source (i.e. from end) will be chosen.
Ignore the break for the last element of current for-each loop.
Insert a string between model elements of current for-each.