tree c49fc7c93a2e2636eb2f159adee53b1708c81ff3
parent ce368154cebf4ab5da9976aa4897317abc55ab1d
author Sunny Goyal <sunnygoyal@google.com> 1531180021 -0700
committer Sunny Goyal <sunnygoyal@google.com> 1531180888 -0700

Moving some abstract classes to interfaces, to better use java-8 features

Change-Id: I862af4931c95cbde052130d8b7d4ac3375db782f