だから私はリレーションシップを次のように記述するクラスを持っています:
public class GraphRelationship<TObject> : Relationship<RelationshipObject>, IRelationshipAllowingSourceNode<TObject>, IRelationshipAllowingTargetNode<TObject>
    {
        string RelationshipName;
        public GraphRelationship(string RelationshipName, NodeReference targetNode, RelationshipObject relationshipTypeObject)
            : base(targetNode, relationshipTypeObject)
        {
            this.RelationshipName = RelationshipName;
        }
        public override string RelationshipTypeKey
        {
            get { return RelationshipName; }
        }
    }
上記のクラスのインスタンスを作成するために使用したいメソッドがありますが、このThe type arguments for method cannot be inferred from the usageエラーが発生します。
メソッドは次のとおりです。
public RelationshipReference CreateObjectRelationship(string relationshipType, string parentObjectId, string childObjectId, RelationshipObject relationshipProperties)
{
    RelationshipReference relationshipReference = 0;
    NodeReference parentNodeReference = GetObjectReference(parentObjectId);
    NodeReference childNodeReference = GetObjectReference(childObjectId);
    //This is where the error is
    relationshipReference = GraphConnection.CreateRelationship(parentNodeReference, new GraphRelationship<RelationshipObject>(relationshipType, childNodeReference, relationshipProperties));
    return relationshipReference;
}

これは些細な問題だと確信していますが、どうすればこれを修正できますか?