CharSequences.split(...) create String[] array for String, StringBuilder and StringBuffer input.
This is a convenience for some Apache SIS code, but still considered an implementation details
not to be published in the API (for now).


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1627267 13f79535-47bb-0310-9956-ffa450edef68