All Implemented Interfaces:
NamedWriteable, Writeable, PostAnalysisPlanVerificationAware, PostOptimizationVerificationAware, Resolvable, EvaluatorMapper, TwoOptionalArguments

Splits dates and numbers into a given number of buckets. There are two ways to invoke this function: with a user-provided span (explicit invocation mode), or a span derived from a number of desired buckets (as a hint) and a range (auto mode). In the former case, two parameters will be provided, in the latter four.