decodeHeaders7
fun <H1 : Any, H2 : Any, H3 : Any, H4 : Any, H5 : Any, H6 : Any, H7 : Any> decodeHeaders7(headers: Map<String, List<String>>, header1: Header<H1>, header2: Header<H2>, header3: Header<H3>, header4: Header<H4>, header5: Header<H5>, header6: Header<H6>, header7: Header<H7>): EitherNel<String, HeaderValues7<H1, H2, H3, H4, H5, H6, H7>>(source)
Decodes seven declared headers and accumulates validation errors across all seven definitions.