Erp Context Table Validate Vs Release methods

Epicor ERP 10
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Hi Epicor gurus, is there any documentation regarding these two methods in the erp context object

When to use one over the other or what are the benefits ?

 public class IceDataContext : EpiDataContext, IIceDataContext {
...
        public void Release<TEntity>(ref TEntity entity) where TEntity : LinqRow;
        [Obsolete("This does nothing. Use Validate to save changes.")]
        public int SaveChanges();
        public override int SaveChanges(SaveOptions options);
        public void Validate<TLinqRow>(TLinqRow row) where TLinqRow : LinqRow;
        public void Validate();

Thanks a lot,