    public void setHeadersShouldClearAndOverwrite() {
        final HttpHeadersBase headers1 = newEmptyHeaders();
        headers1.add("name", "value");

        final HttpHeadersBase headers2 = newEmptyHeaders();
        headers2.add("name", "newvalue");
        headers2.add("name1", "value1");

        headers1.set(headers2);
        assertThat(headers2).isEqualTo(headers1);
    }
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.