NewInsufficientScopeAllError creates an error for cases where all the expected scopes are required.

NewInsufficientScopeAnyError creates an error for cases where any of the expected scopes is required.

NewInternalError creates a generic internal error.

NewInvalidArgumentError creates an invalid argument error with error details.

NewNotFoundError creates a not found error.

NewPermissionDeniedError creates a permission denied error.

NewStaleObjectError creates a stale object error.

NewUnauthenticatedError creates an unauthenticated error.

ErrorCodeAccepted - Must be accepted.

ErrorCodeBlank - Can't be blank.

ErrorCodeEmpty - Can't be empty.

ErrorCodeEven - Must be even.

ErrorCodeExclusion - Is reserved.

ErrorCodeInclusion - Is not included in the list.

ErrorCodeInvalid - Is invalid.

ErrorCodeNotAnInteger - Must be an integer.

ErrorCodeNotANumber - Is not a number.

ErrorCodeOdd - Must be odd.

ErrorCodePresent - Must be blank.

ErrorCodeRequired - Must exist.

ErrorCodeTaken - Has already been taken.

BaseError is the base error type for all errors in the Foundation framework.

InternalError describes an internal error.

InvalidArgumentError describes an invalid argument error.

NotFoundError describes a not found error.

PermissionDeniedError describes a permission denied error.

StaleObjectError describes a stale object error.

UnauthenticatedError describes an unauthenticated error.

FoundationError describes an interface for all errors in the Foundation framework.

ErrorCode describes an error code.

ErrorViolations describes a map of field names to error codes.