docs: private NullnessAnnotation getMethodNullnessAnnotation() {
  
          if (method.getSignature().indexOf(")L") >= 0 || method.getSignature().indexOf(")[") >= 0) {
              if (DEBUG_NULLRETURN) {
                  System.out.println("Checking return annotation for "
                          + SignatureConverter.convertMethodSignature(classContext.getJavaClass(), method));
              }
  
              XMethod m = XFactory.createXMethod(classContext.getJavaClass(), method);
              return AnalysisContext.currentAnalysisContext().getNullnessAnnotationDatabase().getResolvedAnnotation(m, false);
          }
          return NullnessAnnotation.UNKNOWN_NULLNESS;
      }