Type of elements within the source iterable.
The iterable whose elements are evaluated.
Minimum number of matching elements required. Must be greater than or equal to 0.
Optionalpredicate: Predicate<TElement>Optional predicate that determines which elements are counted. When omitted, every element is considered a match.
true when at least count matching elements are present; otherwise, false.
Determines whether source contains at least count elements that satisfy the optional predicate.