    void getWithDefaultValueWorks() {
        final HttpHeadersBase headers = newEmptyHeaders();
        headers.add("name1", "value1");

        assertThat(headers.get("name1", "defaultvalue")).isEqualTo("value1");
        assertThat(headers.get("noname", "defaultvalue")).isEqualTo("defaultvalue");
    }
The software constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.