How to use the @hpcc-js/util.deepMixinT function in @hpcc-js/util

protected WUResubmit(request: Partial): Promise {
        return this.connection.WUResubmit(deepMixinT({}, request, {
            Wuids: [this.Wuid]
        }));
    }

protected WUDetails(request: Partial): Promise {
        return this.connection.WUDetails(deepMixinT({
            ScopeFilter: {
                MaxDepth: 9999
            },
            ScopeOptions: {
                IncludeMatchedScopesInResults: true,
                IncludeScope: true,
                IncludeId: false,
                IncludeScopeType: false
            },
            PropertyOptions: {
                IncludeName: true,
                IncludeRawValue: false,
                IncludeFormatted: true,
                IncludeMeasure: true,
                IncludeCreator: false,
                IncludeCreatorType: false