content: data Alignment
    = AlignLeft | AlignRight | AlignCenter | AlignDefault
  type Attr = (String, [String], [(String, String)])
  data Block
    = Plain [Inline]
    | Para [Inline]
    | LineBlock [[Inline]]
    | CodeBlock Attr String
    | RawBlock Format String
    | BlockQuote [Block]
    | OrderedList ListAttributes [[Block]]
    | BulletList [[Block]]
    | DefinitionList [([Inline], [[Block]])]
    | Header Int Attr [Inline]
    | HorizontalRule
    | Table [Inline] [Alignment] [Double] [TableCell] [[TableCell]]
    | Div Attr [Block]
    | Null
  data Citation
    = Citation {citationId :: String,
                citationPrefix :: [Inline],
                citationSuffix :: [Inline],
                citationMode :: CitationMode,
                citationNoteNum :: Int,
                citationHash :: Int}
  data CitationMode = AuthorInText | SuppressAuthor | NormalCitation
  newtype Format = Format String
  data Inline
    = Str String
    | Emph [Inline]
    | Strong [Inline]
    | Strikeout [Inline]
    | Superscript [Inline]
    | Subscript [Inline]
    | SmallCaps [Inline]
    | Quoted QuoteType [Inline]
    | Cite [Citation] [Inline]
    | Code Attr String
    | Space
    | SoftBreak
    | LineBreak
    | Math MathType String
    | RawInline Format String
    | Link Attr [Inline] Target
    | Image Attr [Inline] Target
    | Note [Block]
    | Span Attr [Inline]
  type ListAttributes = (Int, ListNumberStyle, ListNumberDelim)
  data ListNumberDelim = DefaultDelim | Period | OneParen | TwoParens
  data ListNumberStyle
    = DefaultStyle
    | Example
    | Decimal
    | LowerRoman
    | UpperRoman
    | LowerAlpha
    | UpperAlpha
  data MathType = DisplayMath | InlineMath
  newtype Meta = Meta {unMeta :: Map String MetaValue}
  data MetaValue
    = MetaMap (Map String MetaValue)
    | MetaList [MetaValue]
    | MetaBool Bool
    | MetaString String
    | MetaInlines [Inline]
    | MetaBlocks [Block]
  data Pandoc = Pandoc Meta [Block]
  data QuoteType = SingleQuote | DoubleQuote
  type TableCell = [Block]
  type Target = (String, String)
  docAuthors :: Meta -> [[Inline]]
  docDate :: Meta -> [Inline]
  docTitle :: Meta -> [Inline]
  isNullMeta :: Meta -> Bool
  lookupMeta :: String -> Meta -> Maybe MetaValue
  nullAttr :: Attr
  nullMeta :: Meta
  pandocTypesVersion :: Data.Version.Version
  