Provides arcroles for structure rules (sr) rules of UDFRF. Structure rules indicate that allowed and disallowed relations between the categories of report elements (network, hypercube, dimension, member, line items, concept, abstract) within XBRL presentation relations. The parent report element category allows this report element category as a child. link:definitionArc The parent report element category allows this report element category as a child. link:definitionArc The parent report element category discourages this report element category as a child (warning). link:definitionArc