/// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="builder">The parent builder.</param>
 /// <param name="relationship">The relationship to build on.</param>
 internal RelationshipSerializationBuilder(RelationshipBuilder <T> builder, RuntimeRelationship relationship) : base(builder, relationship)
 {
 }
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="builder">The parent builder.</param>
 /// <param name="relationship">The relationship to build on.</param>
 internal RelationshipBuilder(IContractBuilder <T> builder, RuntimeRelationship relationship) : base(builder)
 {
     Instance = relationship;
 }
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="builder">The parent builder.</param>
 /// <param name="relationship">The relationship to build on.</param>
 internal HasManyRelationshipBuilder(IContractBuilder <T> builder, RuntimeRelationship relationship) : base(builder, relationship)
 {
 }