//
 // 摘要:
 //     Tests that the modulus of the value of the named element matches some value (see
 //     $mod).
 //
 // 参数:
 //   name:
 //     The name of the element to test.
 //
 //   modulus:
 //     The modulus.
 //
 //   equals:
 //     The value to compare to.
 //
 // 返回结果:
 //     The builder (so method calls can be chained).
 public static FilterDefinition <BsonDocument> Mod(string name, int modulus, int equals)
 {
     return(filter.Mod(name, modulus, equals));
 }