public int EnumDependencies(out IVsEnumDependencies enumDependencies)
		{
			enumDependencies = new EnumDependencies(this.buildDependencyList);
			return VSConstants.S_OK;
		}
		public int Clone(out IVsEnumDependencies enumDependencies)
		{
			enumDependencies = new EnumDependencies(this.dependencyList);
			ErrorHandler.ThrowOnFailure(enumDependencies.Skip(this.nextIndex));
			return VSConstants.S_OK;
		}