code: public void insertConstructor(InsertableConstructor insertableConstructor) throws CannotCompileException, AfterBurnerImpossibleException,
      NotFoundException {
          // create or complete onViewCreated
          List<CtConstructor> constructorList = extractExistingConstructors(insertableConstructor);
          log.info("constructor : " + constructorList.toString());
          if (!constructorList.isEmpty()) {
              for (CtConstructor constructor : constructorList) {
                  constructor
                  .insertBeforeBody(insertableConstructor
                          .getConstructorBody(constructor
                                  .getParameterTypes()));
              }
          } else {
              throw new AfterBurnerImpossibleException("No suitable constructor was found in class " + insertableConstructor.getClassToInsertInto().getName() + ". Add a constructor that is accepted by the InsertableConstructor. Don't use non static inner classes.");
          }
      }
docs: Inserts java instructions into all constructors a given class.
  @param insertableConstructor contains all information about insertion.
  @throws CannotCompileException if the source contained in insertableMethod can't be compiled.
  @throws AfterBurnerImpossibleException if something else goes wrong, wraps other exceptions.