How to use the @webiny/app-page-builder/editor/redux.redux.store function in @webiny/app-page-builder

duplicate: ({ element }) => () => {
            const state = redux.store.getState();
            element = getElementWithChildren(state, element.id);
            const parent = getParentElementWithChildren(state, element.id);
            const position = parent.elements.findIndex(el => el.id === element.id) + 1;

            const newElement = set(parent, "elements", [
                ...parent.elements.slice(0, position),
                cloneElement(element),
                ...(position < parent.elements.length ? parent.elements.slice(position) : [])
            ]);
            return redux.store.dispatch(updateElement({ element: newElement }));
        }
    })

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                                <span>.</span>
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                );
            }

            if (!get(data, "pageBuilder.page.data")) {
                return null;
            }

            if (!redux.store) {
                redux.initStore({}, { client });
            }

            if (!loading) {
                const { revisions, ...page } = data.pageBuilder.page.data;
                if (!page.content) {
                    page.content = createElement("document");
                }

                if (pageSet !== page.id) {
                    pageSet = page.id;
                    redux.store.dispatch({
                        type: SETUP_EDITOR,
                        payload: getEmptyData(page, revisions)
                    });
                    redux.store.dispatch({ type: "@@redux-undo/INIT" });

onChildDeleted({ element }) {
            if (element.elements.length === 0) {
                element = set(element, "elements", [
                    createRow({
                        elements: [createColumn({ data: { width: 100 } })]
                    })
                ]);

                redux.store.dispatch(updateElement({ element }));
            }
        }
    };

return null;
            }

            if (!redux.store) {
                redux.initStore({}, { client });
            }

            if (!loading) {
                const { revisions, ...page } = data.pageBuilder.page.data;
                if (!page.content) {
                    page.content = createElement("document");
                }

                if (pageSet !== page.id) {
                    pageSet = page.id;
                    redux.store.dispatch({
                        type: SETUP_EDITOR,
                        payload: getEmptyData(page, revisions)
                    });
                    redux.store.dispatch({ type: "@@redux-undo/INIT" });
                }
            }

            return (
                
                    
                        
                    
                    <div style="{{">
                        
                    </div>