Defines the TraceService type.
        /// <summary>
        /// Gets the global variable.
        /// </summary>
        /// <param name="key">The key.</param>
        /// <returns>The global variable.</returns>
        public object GetGlobalVariable(string key)
        {
            TraceService.WriteLine("GetGlobalVariable key =" + key);

            return(this.solution.Globals[key]);
        }
        /// <summary>
        /// Globals the variable exists.
        /// </summary>
        /// <param name="key">The key.</param>
        /// <returns>True or false.</returns>
        public bool GlobalVariableExists(string key)
        {
            TraceService.WriteLine("GlobalVariableExists key =" + key);

            return(this.solution.Globals.VariableExists[key]);
        }