Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the last occurrence within the entire List<(Of <(<'T>)>)>.

Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the last occurrence within the range of elements in the List<(Of <(<'T>)>)> that extends from the first element to the specified index.

Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the last occurrence within the range of elements in the List<(Of <(<'T>)>)> that contains the specified number of elements and ends at the specified index.