public RequestHandler4 <T, R, U, Header> Header(string name) => new RequestHandler4 <T, R, U, Header>( Method, Path, ResolverParam1, ResolverParam2, ResolverParam3, ParameterResolver.Header(name), ErrorHandler, MediaTypeMapper);
public RequestHandler1 <Header> Header(string name) => new RequestHandler1 <Header>(Method, Path, ParameterResolver.Header(name), ErrorHandler, MediaTypeMapper);