item.setTimestamp(ZonedDateTime.now());

        String bulkLine = SuggestUtil.createBulkLine("test_index", "_doc", item);
        assertNotNull(bulkLine);
        assertTrue(bulkLine.contains("test_index"));
        assertTrue(bulkLine.contains("_doc"));
        assertTrue(bulkLine.contains("test text"));
        assertTrue(bulkLine.contains("reading1"));

    /**
     * Field name for creation time timestamp.
     */
    protected static final String CREATE_TIME = "createTime";

    /**
     * Document type.
     */
    protected static final String _DOC = "_doc";

    /**
     * Fields that store timestamps.
     */
    protected static final String[] timestampFields = { LAST_MODIFIED, CREATE_TIME };

    /**
     * Hash function for generating IDs.

    /** Field name for field analyzer mapping. */
    public static final String FIELD_ANALYZER_MAPPING = "fieldAnalyzerMapping";

    /** Document type name. */
    public static final String DOC_TYPE_NAME = "_doc";

    /** OpenSearch client. */
    protected final Client client;
    /** Analyzer settings index name. */
    protected final String analyzerSettingsIndexName;
    private final SuggestSettings settings;

not be referenced from Go code; static functions are permitted.

See $GOROOT/cmd/cgo/internal/teststdio and $GOROOT/misc/cgo/gmp for examples. See
"C? Go? Cgo!" for an introduction to using cgo:
https://golang.org/doc/articles/c_go_cgo.html.

CFLAGS, CPPFLAGS, CXXFLAGS, FFLAGS and LDFLAGS may be defined with pseudo
#cgo directives within these comments to tweak the behavior of the C, C++

Shinsuke Sugaya <******@****.***> 1444529815 +0900

Shinsuke Sugaya <******@****.***> 1692100235 +0900

Shinsuke Sugaya <******@****.***> 1692100235 +0900

Shinsuke Sugaya <******@****.***> 1444529815 +0900

Shinsuke Sugaya <******@****.***> 1692100235 +0900

        doc.put("doubleStr", "123.45");
        assertEquals(Double.valueOf(123.45), DocumentUtil.getValue(doc, "doubleStr", Double.class));

        doc.put("floatStr", "123.45");
        assertEquals(Float.valueOf(123.45f), DocumentUtil.getValue(doc, "floatStr", Float.class));

        doc.put("boolStr", "true");