http4k / org.http4k.kotest / haveHeader
fun <T> haveHeader(lens: HeaderLens<T>, matcher: Matcher<T>): Matcher<HttpMessage>
@JvmName("haveBodyNullableString") fun haveHeader(name: String, matcher: Matcher<String?>): Matcher<HttpMessage>
fun haveHeader(name: String, expected: String): Matcher<HttpMessage>
fun haveHeader(name: String, expected: Regex): Matcher<HttpMessage>
fun haveHeader(name: String): Matcher<HttpMessage>
fun haveHeader(name: String, expected: List<String?>): Matcher<HttpMessage>