| FindIndexT(T, PredicateT) | Searches for an element in the source two-dimensional jagged array that matches the conditions defined by the specified predicate, and returns the index of its first occurrence. |
| FindIndexT(T, PredicateT) | Searches for an element in the source four-dimensional array that matches the conditions defined by the specified predicate, and returns the index of its first occurrence. |
| FindIndexT(T, PredicateT) | Searches for an element in the source three-dimensional array that matches the conditions defined by the specified predicate, and returns the index of its first occurrence. |
| FindIndexT(T, PredicateT) | Searches for an element in the source two-dimensional array that matches the conditions defined by the specified predicate, and returns the index of its first occurrence. |