How to use the @gooddata/typings.AFM.isNegativeAttributeFilter function in @gooddata/typings

export function isAttributeFilterSelectAll(filter: AFM.FilterItem): boolean {
    if (AFM.isNegativeAttributeFilter(filter)) {
        return filter.negativeAttributeFilter.notIn.length === 0;
    }

    return false;
}

function convertMeasureFilter(filter: AFM.FilterItem): ExecuteAFM.FilterItem {
    if (AFM.isPositiveAttributeFilter(filter)) {
        return convertPositiveAttributeFilter(filter);
    } else if (AFM.isNegativeAttributeFilter(filter)) {
        return convertNegativeAttributeFilter(filter);
    }

    return filter;
}

export function convertFilter(filter: AFM.CompatibilityFilter): ExecuteAFM.CompatibilityFilter {
    if (AFM.isPositiveAttributeFilter(filter)) {
        return convertPositiveAttributeFilter(filter);
    } else if (AFM.isNegativeAttributeFilter(filter)) {
        return convertNegativeAttributeFilter(filter);
    }

    return filter;
}