readonly type: 'UnsortedOrDuplicateValidatorIndices' | 'UnsortedOrDuplicateDisputeStatementSet' | 'UnsortedOrDuplicateBackedCandidates' | 'UnexpectedRelayParent' | 'WrongBitfieldSize' | 'BitfieldAllZeros' | 'BitfieldDuplicateOrUnordered' | 'ValidatorIndexOutOfBounds' | 'InvalidBitfieldSignature' | 'UnscheduledCandidate' | 'CandidateScheduledBeforeParaFree' | 'ScheduledOutOfOrder' | 'HeadDataTooLarge' | 'PrematureCodeUpgrade' | 'NewCodeTooLarge' | 'DisallowedRelayParent' | 'InvalidAssignment' | 'InvalidGroupIndex' | 'InsufficientBacking' | 'InvalidBacking' | 'NotCollatorSigned' | 'ValidationDataHashMismatch' | 'IncorrectDownwardMessageHandling' | 'InvalidUpwardMessages' | 'HrmpWatermarkMishandling' | 'InvalidOutboundHrmp' | 'InvalidValidationCodeHash' | 'ParaHeadMismatch' | 'BitfieldReferencesFreedCore';