// This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it. *Parameters* `field`:: Numeric or date expression from which to derive buckets. `buckets`:: Target number of buckets. `from`:: Start of the range. Can be a number or a date expressed as a string. `to`:: End of the range. Can be a number or a date expressed as a string.