tree be39803dde534d481575362e9060a3c261c506ff
parent de1f9b93eb5f0e35e661cc456367a6b6195d9172
author Andrei Korzhevskii <a.korzhevskiy@gmail.com> 1462969722 +0300
committer Andrei Korzhevskii <a.korzhevskiy@gmail.com> 1463091365 +0300

Revise preconditions in the newly introduced classes.

Change-Id: I044a537398f4b6d3064e3f13ee74b4a782e197bc