gistfile1.txt

public IList<ITypeDefinition> NestedTypes {
			get {
				IList<ITypeDefinition> result = LazyInit.VolatileRead(ref this.nestedTypes);
				if (result != null) {
					return result;
				} else {
					result = (
						from part in parts
						from nestedTypeRef in part.NestedTypes
						group nestedTypeRef by nestedTypeRef.Name into g
						select new DefaultResolvedTypeDefinition(new SimpleTypeResolveContext(this), g.ToArray())
					).ToList<ITypeDefinition>().AsReadOnly();
					return LazyInit.GetOrSet(ref this.nestedTypes, result);
				}
			}
		}