% Source and Sink for retrieving UI views
<android.support.test.espresso.matcher.ViewMatchers: org.hamcrest.Matcher withId(int)> -> _SOURCE_
<android.support.test.espresso.Espresso: android.support.test.espresso.ViewInteraction onView(org.hamcrest.Matcher)> -> _SINK_


% Source and Sink for performing action
<android.support.test.espresso.action.ViewActions: android.support.test.espresso.ViewAction click()> -> _SOURCE_
<android.support.test.espresso.action.ViewActions: android.support.test.espresso.ViewAction pressKey(int)> -> _SOURCE_
<android.support.test.espresso.action.ViewActions: android.support.test.espresso.ViewAction typeText(java.lang.String)> -> _SOURCE_
<android.support.test.espresso.action.ViewActions: android.support.test.espresso.ViewAction clearText()> -> _SOURCE_

<android.support.test.espresso.ViewInteraction: android.support.test.espresso.ViewInteraction perform(android.support.test.espresso.ViewAction[])> -> _SINK_
