public Response andHeaders(Map<HttpString, String> headers) {
        Objects.requireNonNull(headers, Required.HEADERS.toString());
        this.headers.putAll(headers);

        return this;
    }
public Response andHeaders ( Map < HttpString , String > headers ) { Objects . requireNonNull ( headers , Required . HEADERS . toString ( ) ) ; this . headers . putAll ( headers ) ; return this ; }
Adds an additional header map to the response.
Already existing values with the same key are overwritten.

@param headers The headers map to add
@return A response object {@link io.mangoo.routing.Response}