junit-servers-core/src/main/java/com/github/mjeanroy/junit/servers/client/HttpHeader.java
public static HttpHeader header(String name, Collection<String> values) {
		return new HttpHeader(name, values);
	}
public static HttpHeader header(String name, Collection<String> values) {
		return new HttpHeader(name, values);
	}
Create a header with multiple values.

@param name Header name.
@param values Header values, must not be empty.
@return Header.
@throws NullPointerException If {@code name} or one of {@code values} are {@code null}.
@throws IllegalArgumentException If {@code name} is blank.