elasticsearch/elasticsearch — pull request #4599 by markharwood (2014-01-03 10:21:34+00:00)
Title: Fix for issue #4083-  Make 'length' parameters consistent

Java Builder apis drop old “len” methods in favour of new “length”
Rest APIs support both old “len: and new “length” forms
Documentation and rest specs only document the new “*length” forms with added “since 0.90.10” notice