| SortedMerge<TSource>(IEnumerable<TSource>, OrderByDirection, IEnumerable<TSource>[]) | Merges two or more sequences that are in a common order (either ascending or descending) into a single sequence that preserves that order. |
| SortedMerge<TSource>(IEnumerable<TSource>, OrderByDirection, IComparer<TSource>, IEnumerable<TSource>[]) | Merges two or more sequences that are in a common order (either ascending or descending) into a single sequence that preserves that order. |