       return result
     }
     
-    guard let queryString = EnvironmentVariables.default["QUERY_STRING"] else {
-      return nil
-    }
+    guard let queryString = self.queryString else { return nil }
     var result = _parse(queryString)
     
     // Handle Posted Data

    return result
  }
  
  /// The User Agent.
  public var userAgent: String? {
    return EnvironmentVariables.default["HTTP_USER_AGENT"]

/* *************************************************************************************************
 Client.swift
   © 2017-2019 YOCKOW.
     Licensed under MIT License.
     See "LICENSE.txt" for more information.
 ************************************************************************************************ */
