Finds the largest value less than the given value, returning the node at which it was found, or undefined.
Values are compared using the collection’s intrinsic contentEquals and
contentCompare, determined at time of construction.
This is fast (logarithmic) and may rotate the underlying splay tree.
Finds the smallest value greater than the given value, returning the node at which it was found, or undefined.
Finds the largest value less than or equal to the given value, returning the node at which it was found, or undefined.
Finds the largest value, returning the node at which it was found, or undefined.
Finds the first equivalent value.