private boolean missingMethod(
      CalledMethod calledMethod,
      DeclaredClass calledClass,
      Map<ClassTypeDescriptor, DeclaredClass> classMap) {
    final MethodDescriptor descriptor = calledMethod.descriptor();
    final DeclaredMethod method = calledClass.methods().get(descriptor);

    if (method != null) {
      if (calledMethod.isStatic() != method.isStatic()) {
        return true;
      }

      // TODO: also validate return type
      return false;
    }

    // Might be defined in a super class
    for (ClassTypeDescriptor parentClass : calledClass.parents()) {
      final DeclaredClass declaredClass = classMap.get(parentClass);
      // ignore null parents - this means that the parent cannot be found, and this error gets
      // reported since the class's constructor tries to call its parent's constructor.
      if (declaredClass != null) {
        if (!missingMethod(calledMethod, declaredClass, classMap)) {
          return false;
        }
      }
    }

    return true;
  }
 private Dependency dependency(
     DeclaredClass clazz, DeclaredMethod method, CalledMethod calledMethod) {
   return new MethodDependencyBuilder()
       .fromClass(clazz.className())
       .fromMethod(method.descriptor())
       .fromLineNumber(calledMethod.lineNumber())
       .targetMethod(calledMethod.descriptor())
       .targetClass(calledMethod.owner())
       .build();
 }