    public void afterClearHeadersShouldBeEmpty() {
        final HttpHeadersBase headers = newEmptyHeaders();
        headers.add("name1", "value1");
        headers.add("name2", "value2");
        assertThat(headers.size()).isEqualTo(2);
        headers.clear();
        assertThat(headers.size()).isEqualTo(0);
        assertThat(headers.isEmpty()).isTrue();
        assertThat(headers.contains("name1")).isFalse();
        assertThat(headers.contains("name2")).isFalse();
    }
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.