{
    "jpg": ["image/jpeg", "image/pjpeg"],
    "jpeg": ["image/jpeg", "image/pjpeg"],
    "png": "image/png",
    "gif": "image/gif",
    "webp": "image/webp",
    "bmp": ["image/bmp", "image/x-bmp", "image/x-ms-bmp"],
    "tif": "image/tiff",
    "tiff": "image/tiff",
    "svg": "image/svg+xml",
    "pdf": [
        "application/pdf",
        "application/force-download",
        "application/x-download"
    ],
    "csv": [
        "text/csv",
        "application/csv",
        "application/vnd.ms-excel",
        "text/plain"
    ],
    "xls": [
        "application/vnd.ms-excel",
        "application/msexcel",
        "application/x-msexcel",
        "application/x-ms-excel",
        "application/x-excel",
        "application/vnd.ms-office"
    ],
    "xlsx": [
        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
        "application/vnd.ms-excel",
        "application/zip"
    ],
    "xlsm": [
        "application/vnd.ms-excel.sheet.macroenabled.12",
        "application/vnd.ms-excel",
        "application/zip"
    ],
    "xlsb": [
        "application/vnd.ms-excel.sheet.binary.macroenabled.12",
        "application/vnd.ms-excel",
        "application/zip"
    ],
    "doc": ["application/msword", "application/vnd.ms-office"],
    "docx": [
        "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
        "application/zip"
    ],
    "ppt": [
        "application/vnd.ms-powerpoint",
        "application/powerpoint",
        "application/vnd.ms-office"
    ],
    "pptx": [
        "application/vnd.openxmlformats-officedocument.presentationml.presentation",
        "application/zip"
    ],
    "zip": [
        "application/zip",
        "application/x-zip",
        "application/x-zip-compressed"
    ]
}