How to use the @gooddata/typings.VisualizationObject.isAbsoluteDateFilter function in @gooddata/typings

export function convertVisualizationObjectFilter(filter: VisualizationObjectFilter): AFM.FilterItem | null {
    if (VisualizationObject.isAttributeFilter(filter)) {
        return convertAttributeFilter(filter);
    } else if (VisualizationObject.isAbsoluteDateFilter(filter)) {
        return convertAbsoluteDateFilter(filter);
    } else {
        return convertRelativeDateFilter(filter);
    }
}