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Within LTS Haskell 24.6 (ghc-9.10.2)

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1. headerRoot :: String

   criterion	Criterion.IO

   The magic string we expect to start off the header.

2. head1 :: forall (t :: Type -> Type) a . Traversable1 t => Lens' (t a) a

   lens	Control.Lens.Combinators

   A Lens focusing on the first element of a Traversable1 container.

   >>> 2 :| [3, 4] & head1 +~ 10
   12 :| [3,4]
   

   >>> Identity True ^. head1
   True
   

3. head1 :: forall (t :: Type -> Type) a . Traversable1 t => Lens' (t a) a

   lens	Control.Lens.Lens

   A Lens focusing on the first element of a Traversable1 container.

   >>> 2 :| [3, 4] & head1 +~ 10
   12 :| [3,4]
   

   >>> Identity True ^. head1
   True
   

4. header :: String -> InfoMod a

   optparse-applicative	Options.Applicative

   Specify a header for this parser.

5. headerDoc :: Maybe Doc -> InfoMod a

   optparse-applicative	Options.Applicative

   Specify a header for this parser as a 'Prettyprinter.Doc AnsiStyle' value.

6. header :: String -> InfoMod a

   optparse-applicative	Options.Applicative.Builder

   Specify a header for this parser.

7. headerDoc :: Maybe Doc -> InfoMod a

   optparse-applicative	Options.Applicative.Builder

   Specify a header for this parser as a 'Prettyprinter.Doc AnsiStyle' value.

8. headerHelp :: Chunk Doc -> ParserHelp

   optparse-applicative	Options.Applicative.Help.Core

   No documentation available.

9. headC :: forall (m :: Type -> Type) a o . Monad m => ConduitT a o m (Maybe a)

   conduit	Conduit

   Take a single value from the stream, if available.

10. headCE :: forall (m :: Type -> Type) seq o . (Monad m, IsSequence seq) => ConduitT seq o m (Maybe (Element seq))

    conduit	Conduit

    Get the next element in the chunked stream.

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