/guava/android/guava/src/com/google/common/base/Equivalence.java
return doEquivalent( a, target) ;
return doEquivalent ( a, b ) ;
if (a == b) { return true; } if (a == null || b == null) { return false; } <extra_id_0> } @ForOverride protected abstract boolean doEquivalent(T a, T b); public final int hash(@CheckForNull T t) { if (t == null) { return 0;