public static IEnumerable <IProjectReference> GetProjectReferences(this ProjectReferencesItemGroupXElement projectReferencesItemGroupXElement)
        {
            var projectReferences = projectReferencesItemGroupXElement.GetProjectReferenceXElements()
                                    .Select(xElement => new ProjectReferenceXElement(xElement));

            return(projectReferences);
        }
        public static IEnumerable <XElement> GetProjectReferenceXElementsWhereProjectFilePath(this ProjectReferencesItemGroupXElement projectReferencesItemGroupXElement, string projectFilePath)
        {
            var xProjectReferences = projectReferencesItemGroupXElement.GetProjectReferenceXElements()
                                     .Where(xElement => xElement.Attribute(ProjectFileXmlElementName.Include).Value == projectFilePath);

            return(xProjectReferences);
        }