authorization = request.headers.get("Authorization")
        scheme, param = get_authorization_scheme_param(authorization)
        if not authorization or scheme.lower() != "bearer":
            if self.auto_error:
                raise self.make_not_authenticated_error()
            else:
                return None
        return param

    assert encoded_instance2["dt_field"] == instance["dt_field"].isoformat()


def test_custom_enum_encoders():
    def custom_enum_encoder(v: Enum):
        return v.value.lower()

    class MyEnum(Enum):
        ENUM_VAL_1 = "ENUM_VAL_1"

    instance = MyEnum.ENUM_VAL_1

    encoded_instance = jsonable_encoder(
        instance, custom_encoder={MyEnum: custom_enum_encoder}

            We check the binary compatibility by comparing the current code’s binary interfaces
            against THE LATEST VERSION WHICH IS RELEASED FROM RELEASE BRANCH (from `released-version.json` on this branch)
            AND LOWER THAN CURRENT BASE VERSION (from `version.txt` on this branch).

   * is merely copied. Only as the power set is iterated are the individual subsets created, and
   * these subsets themselves occupy only a small constant amount of memory.
   *
   * @param set the set of elements to construct a power set from
   * @return the power set, as an immutable set of immutable sets

                    // Note that Firefox is fine with a sort function returning any positive or negative number, but Chrome 
                    // requires 1 or -1 specifically and ignores higher or lower values.  This sort ought to remain consistent
                    // with the sort used by AbstractAcceptedApiChangesMaintenanceTask.
                    result.acceptedApiChanges.sort((a, b) => { 

				c -= 'a' - 'A'
			}
			b[i] = c
		}
		return b
	}
	return Map(unicode.ToUpper, s)
}

// ToLower returns a copy of the byte slice s with all Unicode letters mapped to
// their lower case.
func ToLower(s []byte) []byte {
	isASCII, hasUpper := true, false
	for i := 0; i < len(s); i++ {
		c := s[i]
		if c >= utf8.RuneSelf {
			isASCII = false
			break
		}

      WildcardType wildcard = (WildcardType) componentType;
      Type[] lowerBounds = wildcard.getLowerBounds();
      checkArgument(lowerBounds.length <= 1, "Wildcard cannot have more than one lower bounds.");
      if (lowerBounds.length == 1) {
        return supertypeOf(newArrayType(lowerBounds[0]));
      } else {
        Type[] upperBounds = wildcard.getUpperBounds();

      WildcardType wildcard = (WildcardType) componentType;
      Type[] lowerBounds = wildcard.getLowerBounds();
      checkArgument(lowerBounds.length <= 1, "Wildcard cannot have more than one lower bounds.");
      if (lowerBounds.length == 1) {
        return supertypeOf(newArrayType(lowerBounds[0]));
      } else {
        Type[] upperBounds = wildcard.getUpperBounds();

  }

  @Override
  public E last() {
    if (isEmpty()) {
      throw new NoSuchElementException();
    }
    return elements.get(size() - 1);
  }

  @Override
  public @Nullable E lower(E element) {
    int index = headIndex(element, false) - 1;
    return (index == -1) ? null : elements.get(index);
  }

  @Override
  public @Nullable E floor(E element) {

    }
  }

  /** Builds a configured certificate pinner. */
  class Builder {
    val pins = mutableListOf<Pin>()

    /**
     * Pins certificates for `pattern`.
     *
     * @param pattern lower-case host name or wildcard pattern such as `*.example.com`.
     * @param pins SHA-256 or SHA-1 hashes. Each pin is a hash of a certificate's Subject Public Key