headerValues method
Get all values for a response header that may have multiple values.
Some headers like 'Set-Cookie' can appear multiple times. This method returns all values for such headers.
Example:
final cookies = response.headerValues('set-cookie');
expect(cookies?.length, 2);
name Header name (case-insensitive).
Returns list of header values or null if header not present.
Implementation
List<String>? headerValues(String name) {
return _response.headers[name.toLowerCase()];
}