public static final String MAPPING_TYPE_DOUBLE = "double";

    /** Mapping type for date fields. */
    public static final String MAPPING_TYPE_DATE = "date";

    /** Mapping type for PDF date fields. */
    public static final String MAPPING_TYPE_PDF_DATE = "pdf_date";

    // ============================================================
    // Request and Search Constants

labels.facet_filetype_excel=MS Excel
labels.facet_filetype_powerpoint=MS PowerPoint
labels.facet_filetype_odt=ODF Word
labels.facet_filetype_ods=ODF Spreadsheet
labels.facet_filetype_odp=ODF Presentation
labels.facet_filetype_pdf=PDF
labels.facet_filetype_fb2=FictionBook
labels.facet_filetype_epub=EPUB
labels.facet_filetype_ibooks=iBooks
labels.facet_filetype_txt=テキスト
labels.facet_filetype_rtf=リッチテキスト
labels.facet_filetype_chm=Compiled HTML Help

    /** The key of the message: ODF Presentation */
    public static final String LABELS_facet_filetype_odp = "{labels.facet_filetype_odp}";

    /** The key of the message: PDF */
    public static final String LABELS_facet_filetype_pdf = "{labels.facet_filetype_pdf}";

    /** The key of the message: FictionBook */