question: private void collectReferences ( final IOperandTreeNode node , final Set < IAddress > references ) { for ( final IReference reference : node . getReferences ( ) ) { if ( ReferenceType . isCodeReference ( reference . getType ( ) ) ) { references . add ( reference . getTarget ( ) ) ; } } for ( final IOperandTreeNode child : node . getChildren ( ) ) { collectReferences ( child , references ) ; } }
target:  Collects all code references from an operand tree node and all of its children.