import com.google.common.annotations.GwtCompatible;
import java.io.Serializable;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Equivalence applied on functional result.
 *
 * @author Bob Lee
 * @since 10.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
final class FunctionalEquivalence<F, T> extends Equivalence<F> implements Serializable {

    if (iterable instanceof UnmodifiableIterable || iterable instanceof ImmutableCollection) {
      @SuppressWarnings("unchecked") // Since it's unmodifiable, the covariant cast is safe
      Iterable<T> result = (Iterable<T>) iterable;
      return result;
    }
    return new UnmodifiableIterable<>(iterable);
  }

  /**
   * Simply returns its argument.
   *
   * @deprecated no need to use this
   * @since 10.0
   */

  @Override
  public <A extends Annotation> A[] getDeclaredAnnotationsByType(Class<A> annotationType) {
    @Nullable
    A[] result = FluentIterable.from(annotations).filter(annotationType).toArray(annotationType);
    @SuppressWarnings("nullness") // safe because the input list contains no nulls
    A[] cast = (A[]) result;
    return cast;
  }

  /**
   * Returns the {@link AnnotatedType} of the parameter.
   *

  @Override
  public int compareTo(Cut<C> that) {
    if (that == belowAll()) {
      return 1;
    }
    if (that == aboveAll()) {
      return -1;
    }
    int result = Range.compareOrThrow(endpoint, that.endpoint);
    if (result != 0) {
      return result;
    }
    // same value. below comes before above
    return Boolean.compare(this instanceof AboveValue, that instanceof AboveValue);
  }

  C endpoint() {

      return inline.submit(task);
    }

    @Override
    public <T> Future<T> submit(Runnable task, T result) {
      lastMethodCalled = "submit";
      assertThat(task).isInstanceOf(WrappedRunnable.class);
      return inline.submit(task, result);
    }

    @Override
    public void execute(Runnable command) {
      lastMethodCalled = "execute";

            // The compiler would know this is safe if not for our use of raw types (see above).
            @SuppressWarnings("unchecked")
            E result = (E) canonical;
            return result;
          }
        }

        // didn't see it, trying to put it instead...
        Dummy sneaky = map.putIfAbsent(sample, Dummy.VALUE);
        if (sneaky == null) {

	for i, tt := range metaCacheTestset {
		t.Run(tt.id, func(t *testing.T) {
			var want bool
			if i >= len(wantResults) {
				t.Logf("no expected result for test #%d", i)
			} else {
				want = wantResults[i]
			}

			got := tt.finished()
			if got != want {
				t.Errorf("#%d: want %v, got %v", i, want, got)
			}
		})
	}
}

}

// TODO(vnvo2409): Add more tests from `python/ops/gradient_checker_v2_test.py`.
// These tests should not be confused with `[*]_grad_test` which compare the
// result of `gradient_checker` and `[*]_grad`. The tests here test the
// functionality of `gradient_checker` by comparing the result with expected
// manual user-provided gradients.
class GradientCheckerTest
    : public ::testing::TestWithParam<std::tuple<const char*, bool, bool>> {
 protected:

    /**
     * @return whether the context is established
     */
    boolean isEstablished ();


    /**
     * @param token
     * @param off
     * @param len
     * @return result token
     * @throws SmbException
     * @throws CIFSException
     */
    byte[] initSecContext ( byte[] token, int off, int len ) throws CIFSException;


    /**
     * @return the name of the remote endpoint

}

// ConnPool db conns pool interface
type ConnPool interface {
	PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
	QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
	QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row
}