code: function simpleType_jsonSchema(name) {
    var result = {};
    result.type = this.instance.toLowerCase();
  
    __processOptions(result, this.options)
  
    return result;
  }
docs: simpleType_jsonSchema - returns jsonSchema for simple-type parameter
  
  @memberof mongoose.Schema.Types.String
  
  @param  {String} name the name of parameter
  @return {object}      the jsonSchema for parameter