code: public boolean hasRelationship(String featureTable) {
  		return hasStyleRelationship(featureTable)
  				|| hasTableStyleRelationship(featureTable)
  				|| hasIconRelationship(featureTable)
  				|| hasTableIconRelationship(featureTable);
  	}
docs: Check if feature table has a style, icon, table style, or table icon
  relationships
  
  @param featureTable
  feature table
  @return true if has a relationship