docs: public static SourceLineAnnotation forEntireMethod(JavaClass javaClass, XMethod xmethod) {
          JavaClassAndMethod m = Hierarchy.findMethod(javaClass, xmethod.getName(), xmethod.getSignature());
          if (m == null) {
              return createUnknown(javaClass.getClassName(), javaClass.getSourceFileName());
          } else {
              return forEntireMethod(javaClass, m.getMethod());
          }
      }