code: function JsonClient(options) {
      assert.object(options, 'options');
      assert.optionalBool(options.safeStringify, 'options.safeStringify');
  
      options.accept = options.accept || 'application/json';
      options.name = options.name || 'JsonClient';
      options.contentType = options.contentType || 'application/json';
  
      StringClient.call(this, options);
  
      this._super = StringClient.prototype;
  
      this._safeStringify = options.safeStringify || false;
  }
docs: --- API