public String getShortNameInClassContext(String classToName) {
    String shortName = getShortName(classToName);
    if (shortName == null) {
      return "<unknownclass>";
    }
    
    if (setFieldNames.contains(shortName)) {
      return classToName;
    }
    else {
      return shortName;
    }
  }
Check whether the package-less name ClassName is shaded by variable in a context of
the decompiled class
@param classToName - pkg.name.ClassName - class to find shortname for
@return ClassName if the name is not shaded by local field, pkg.name.ClassName otherwise
src/org/jetbrains/java/decompiler/main/collectors/ImportCollector.java