andrey.onufreyko b19dcb13e2 Replace string arguments with char
Optimize method calls by replacing single character String arguments
with char.

Closes gh-11680
2018-01-22 16:35:06 -08:00
..
2017-11-02 14:39:46 +00:00
2018-01-22 16:35:06 -08:00