static Header header(final String key, final String value) {
		requireNonNull(key);
		requireNonNull(value);

		record SimpleHeader(String key, String value) implements Header {};
		return new SimpleHeader(key, value);
	}
Create a new header parameter.

@param key the header name
@param value the header value
@return a new header parameter
jenetics.incubator/src/main/java/io/jenetics/incubator/restful/Parameter.java