docs: function (ast, filename, errs, isSharedCode, sourceIndex, src) {
      this.ast = ast;
      this.src = src;
      this.filename = filename;
      this.errs = errs;
      this.isSharedCode = isSharedCode;
      this.sourceIndex = sourceIndex;
      this.astWasModified = false;
  
      this.callInfo = {
          astPath: null,
          line: 0,
          calleeName: null,
          calleeOwnerObj: null
      };
  }