Method compare

corpus/java/training/guava/collect/Ordering.java:492–494

(@Nullable T left, @Nullable T right)

  // Override to add @Nullable
  @CanIgnoreReturnValue // TODO(kak): Consider removing this
  @Override
  public abstract int compare(@Nullable T left, @Nullable T right);

  /**
   * Returns the least of the specified values according to this ordering. If