docs: private MethodNode getSoleInitialisingMethod(final Initialisers initialisers) {
          final List<MethodNode> initialisingMethods = initialisers.getMethods();
          final MethodNode result;
          if (!initialisingMethods.isEmpty()) {
              result = initialisingMethods.get(0);
          } else {
              result = null;
          }
          return result;
      }