Add a parser to the global header parser registry
Add a parser to the global header parser registry
name of the header to register the parser for
Header parser
any existing parser already registered to that key
Remove the parser for the specified header key
Remove the parser for the specified header key
name of the header to be removed
Some(parser)
if the parser exists, else None
Warm up the header parsers by triggering the loading of most classes in this package, so as to increase the speed of the first usage.