FilterSpec

{
    "columnIndex": 0,
    "dataSourceColumnReference": {
        "name": "string"
    },
    "filterCriteria": {
        "condition": {
            "type": "CONDITION_TYPE_UNSPECIFIED",
            "values": [
                {
                    "relativeDate": "RELATIVE_DATE_UNSPECIFIED",
                    "userEnteredValue": "string"
                }
            ]
        },
        "hiddenValues": [
            "string"
        ],
        "visibleBackgroundColor": {},
        "visibleBackgroundColorStyle": {
            "rgbColor": {},
            "themeColor": "THEME_COLOR_TYPE_UNSPECIFIED"
        },
        "visibleForegroundColor": {},
        "visibleForegroundColorStyle": {
            "rgbColor": {},
            "themeColor": "THEME_COLOR_TYPE_UNSPECIFIED"
        }
    }
}