How to use the @blueprintjs/table/src.Utils.reorderArray function in @blueprintjs/table

public reorderRows(oldIndex: number, newIndex: number, length: number) {
        this.data = Utils.reorderArray(this.data, oldIndex, newIndex, length);
    }

private handleRowsReordered = (oldIndex: number, newIndex: number, length: number) => {
        if (oldIndex === newIndex) {
            return;
        }
        this.setState({ data: Utils.reorderArray(this.state.data, oldIndex, newIndex, length) });
    };
}

private handleColumnsReordered = (oldIndex: number, newIndex: number, length: number) => {
        if (oldIndex === newIndex) {
            return;
        }
        const nextChildren = Utils.reorderArray(this.state.children, oldIndex, newIndex, length);
        this.setState({ children: nextChildren });
    };

public reorderColumns(oldIndex: number, newIndex: number, length: number) {
        this.orderedColumnKeys = Utils.reorderArray(this.orderedColumnKeys, oldIndex, newIndex, length);
    }