@Test
    public void formatsNullAsEmptyString() {
        CodeWriter w = CodeWriter.createDefault();
        w.write("$L", (String) null);
        w.write("$S", (String) null);

        assertThat(w.toString(), equalTo("\n\"\"\n"));
    }
\n     * This is some docs.\n     * And more docs.\n     *\n     * Foo.\n
smithy-utils/src/test/java/software/amazon/smithy/utils/CodeWriterTest.java