export namespace constants {
  let attentionSideBefore: 1
  let attentionSideAfter: 2
  let atxHeadingOpeningFenceSizeMax: 6
  let autolinkDomainSizeMax: 63
  let autolinkSchemeSizeMax: 32
  let cdataOpeningString: 'CDATA['
  let characterGroupWhitespace: 1
  let characterGroupPunctuation: 2
  let characterReferenceDecimalSizeMax: 7
  let characterReferenceHexadecimalSizeMax: 6
  let characterReferenceNamedSizeMax: 31
  let codeFencedSequenceSizeMin: 3
  let contentTypeDocument: 'document'
  let contentTypeFlow: 'flow'
  let contentTypeContent: 'content'
  let contentTypeString: 'string'
  let contentTypeText: 'text'
  let hardBreakPrefixSizeMin: 2
  let htmlRaw: 1
  let htmlComment: 2
  let htmlInstruction: 3
  let htmlDeclaration: 4
  let htmlCdata: 5
  let htmlBasic: 6
  let htmlComplete: 7
  let htmlRawSizeMax: 8
  let linkResourceDestinationBalanceMax: 32
  let linkReferenceSizeMax: 999
  let listItemValueSizeMax: 10
  let numericBaseDecimal: 10
  let numericBaseHexadecimal: 16
  let tabSize: 4
  let thematicBreakMarkerCountMin: 3
  let v8MaxSafeChunkSize: 10000
}