docs: function NjsScriptWriter() {
      this.lines = [];
      this.infix_lookup = {};
      for (var i = 0; i < this.infix_operators.length; i++) {
          this.infix_lookup[this.infix_operators[i]] = true;
      }
      this.prefix_lookup = {};
      for (var i = 0; i < this.prefix_operators.length; i++) {
          this.prefix_lookup[this.prefix_operators[i]] = true;
      }
      this.simple_lookup = {};
      for (var i = 0; i < this.simple_tokens.length; i++) {
          this.simple_lookup[this.simple_tokens[i]] = true;
      }
  }