code: def show_xref(self, c_a):
          
          if c_a:
              ref_kind_map = {0: "Class instanciation", 1: "Class reference"}
              bytecode._PrintSubBanner("XREF From")
  
              xrefs_from = c_a.get_xref_from()
              for ref_class in xrefs_from:
                  if ref_class.get_vm_class().get_name() == self.get_name():
                      continue
                  for ref_kind, ref_method, ref_offset in xrefs_from[ref_class]:
                      bytecode._PrintDefault(ref_kind_map[ref_kind])
                      bytecode._PrintDefault(' ')
                      bytecode._PrintDefault(ref_method.get_name())
                      bytecode._PrintDefault(' @ 0x%x' % ref_offset)
                      bytecode._PrintDefault('\n')
  
              bytecode._PrintDefault('\n')
  
              bytecode._PrintSubBanner("XREF To")
              xrefs_to = c_a.get_xref_to()
              for ref_class in xrefs_to:
                  if ref_class.get_vm_class().get_name() == self.get_name():
                      continue
                  bytecode._PrintDefault(ref_class.get_vm_class().get_name())
                  bytecode._PrintDefault(' -->\n')
                  for ref_kind, ref_method, ref_offset in xrefs_to[ref_class]:
                      bytecode._PrintDefault(ref_kind_map[ref_kind])
                      bytecode._PrintDefault(' ')
                      bytecode._PrintDefault(ref_method.get_name())
                      bytecode._PrintDefault(' @ 0x%x' % ref_offset)
                      bytecode._PrintDefault('\n')
docs: Display where the method is called or which method is called