return RefreshableCredentials.create_from_metadata(
                metadata=fetcher(),
                refresh_using=fetcher,
                method=self.METHOD,
            )
        else:
            return None

    def _create_credentials_fetcher(self):
        method = self.METHOD

        def fetch_credentials():
            # HTTP headers are case insensitive filter out

    nextEvent() as Closed
  }

  fun assertFailure(message: String?) {
    val event = nextEvent() as Failure
    if (message != null) {
      assertThat(event.t!!.message).isEqualTo(message)
    } else {
      assertThat(event.t).isNull()
    }
  }

  internal data class Open(
    val eventSource: EventSource,
    val response: Response,
  )

  internal data class Failure(

    while (queue.isNotEmpty()) {
        val dependency = when (val result = queue.removeFirst()) {
            is ResolvedDependencyResult -> result
            is UnresolvedDependencyResult -> throw result.failure
            else -> throw AssertionError("Unknown dependency type: $result")
        }

        if (dependency.isConstraint) {
            continue
        }

        val to = dependency.resolvedVariant

}

# Is this still useful?
@test "TensorFlow has Keras" {
    source /tf/venv/bin/activate
    python3 -c 'import sys; import tensorflow as tf; sys.exit(0 if "keras" in tf.keras.__name__ else 1)'

MAKE_DOCKER = $(RUN) make --no-print-directory -e -f Makefile.core.mk

%:
	@$(MAKE_DOCKER) $@

default:
	@$(MAKE_DOCKER)

shell:
	@$(RUN) /bin/bash

.PHONY: default shell

else

# If we are not in build container, we need a workaround to get environment properly set
# Write to file, then include
$(shell mkdir -p out)
$(shell $(shell pwd)/common/scripts/setup_env.sh envfile > out/.env)

          Object instance = tester.instantiate(classToTest);
          if (instance != null) {
            if (isEqualsDefined(classToTest)) {
              SerializableTester.reserializeAndAssert(instance);
            } else {
              SerializableTester.reserialize(instance);
            }
          }
        } catch (Throwable e) {
          throw sanityError(classToTest, SERIALIZABLE_TEST_METHOD_NAMES, "serializable test", e);

        if not authorization:
            if self.auto_error:
                raise HTTPException(
                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
                )
            else:
                return None
        return authorization


class OAuth2PasswordBearer(OAuth2):
    """
    OAuth2 flow for authentication using a bearer token obtained with a password.

			t.Errorf("Test %d: Decryption returned wrong error code: got %d , want %d", i, err, test.expErr)
		} else if _, enc := crypto.IsEncrypted(test.info.UserDefined); encrypted && enc != encrypted {
			t.Errorf("Test %d: Decryption thinks object is encrypted but it is not", i)
		} else if !encrypted && enc != encrypted {
			t.Errorf("Test %d: Decryption thinks object is not encrypted but it is", i)
		}
	}
}

                }
                bulkBuilder.add((IndexRequestBuilder) builder);
            } else if (builder instanceof UpdateRequestBuilder) {
                if (builderEntityCall != null) {
                    builderEntityCall.callback(builder);
                }
                bulkBuilder.add((UpdateRequestBuilder) builder);
            } else if (builder instanceof DeleteRequestBuilder) {
                if (builderEntityCall != null) {

  }

  @Override
  public abstract boolean encloses(Range<C> otherRange);

  @Override
  public boolean equals(@CheckForNull Object obj) {
    if (obj == this) {
      return true;
    } else if (obj instanceof RangeSet) {
      RangeSet<?> other = (RangeSet<?>) obj;
      return this.asRanges().equals(other.asRanges());
    }
    return false;
  }

  @Override
  public final int hashCode() {