if ( this.delegate != null ) {
            return this.delegate.getTreeInternal();
        }
        return null;
    }


    /**
     * @param t
     */
    private synchronized void switchTree ( SmbTreeImpl t ) {
        try ( SmbTreeImpl old = getTree() ) {
            if ( old == t ) {
                return;
            }
            boolean wasAcquired = this.treeAcquired;

      - initClause
      - methodExprCall
      - nilValReturn
      - octalLiteral
      - offBy1
      - rangeExprCopy
      - regexpMust
      - sloppyLen
      - stringXbytes
      - switchTrue
      - typeAssertChain
      - typeSwitchVar
      - typeUnparen
      - underef
      - unlambda
      - unnecessaryBlock
      - unslice
      - valSwap
      - weakCond
  depguard: