@Nullable
  public static ClassTree findClass(ClassSymbol symbol, VisitorState state) {
    return JavacTrees.instance(state.context).getTree(symbol);
  }
@ Nullable public static ClassTree findClass ( ClassSymbol symbol , VisitorState state ) { return JavacTrees . instance ( state . context ) . getTree ( symbol ) ; }
Returns the class tree that matches the given symbol within the compilation unit, or null if
none was found.