Umbraco-CMS/src/Umbraco.Core/ConventionsHelper.cs

using System.Collections.Generic;
using Umbraco.Cms.Core.Models;
using Umbraco.Cms.Core.Strings;

namespace Umbraco.Cms.Core
{
    public static class ConventionsHelper
    {
        public static Dictionary<string, PropertyType> GetStandardPropertyTypeStubs(IShortStringHelper shortStringHelper) =>
            new Dictionary<string, PropertyType>
            {
                {
                    Constants.Conventions.Member.Comments,
                    new PropertyType(
                        shortStringHelper,
                        Constants.PropertyEditors.Aliases.TextArea,
                        ValueStorageType.Ntext,
                        true,
                        Constants.Conventions.Member.Comments)
                    {
                        Name = Constants.Conventions.Member.CommentsLabel,
                    }
                },
            };
    }
}