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import React from 'react';
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import { connect } from 'react-redux';
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import PropTypes from 'prop-types';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import StatusListContainer from '../ui/containers/status_list_container';
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import Column from 'mastodon/components/column';
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import ColumnHeader from 'mastodon/components/column_header';
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import ColumnSettingsContainer from './containers/column_settings_container';
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import { expandHashtagTimeline, clearTimeline } from 'mastodon/actions/timelines';
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import { addColumn, removeColumn, moveColumn } from 'mastodon/actions/columns';
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import { injectIntl, FormattedMessage, defineMessages } from 'react-intl';
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import { connectHashtagStream } from 'mastodon/actions/streaming';
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import { isEqual } from 'lodash';
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import { fetchHashtag, followHashtag, unfollowHashtag } from 'mastodon/actions/tags';
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import Icon from 'mastodon/components/icon';
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import classNames from 'classnames';
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import { title } from 'mastodon/initial_state';
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import { Helmet } from 'react-helmet';
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const messages = defineMessages({
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followHashtag: { id: 'hashtag.follow', defaultMessage: 'Follow hashtag' },
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unfollowHashtag: { id: 'hashtag.unfollow', defaultMessage: 'Unfollow hashtag' },
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});
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const mapStateToProps = (state, props) => ({
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hasUnread: state.getIn(['timelines', `hashtag:${props.params.id}${props.params.local ? ':local' : ''}`, 'unread']) > 0,
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tag: state.getIn(['tags', props.params.id]),
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});
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export default @connect(mapStateToProps)
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@injectIntl
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class HashtagTimeline extends React.PureComponent {
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disconnects = [];
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static contextTypes = {
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identity: PropTypes.object,
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};
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static propTypes = {
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params: PropTypes.object.isRequired,
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columnId: PropTypes.string,
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dispatch: PropTypes.func.isRequired,
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hasUnread: PropTypes.bool,
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tag: ImmutablePropTypes.map,
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multiColumn: PropTypes.bool,
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intl: PropTypes.object,
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};
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handlePin = () => {
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const { columnId, dispatch } = this.props;
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if (columnId) {
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dispatch(removeColumn(columnId));
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} else {
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dispatch(addColumn('HASHTAG', { id: this.props.params.id }));
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}
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}
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title = () => {
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const { id } = this.props.params;
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const title = [id];
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if (this.additionalFor('any')) {
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title.push(' ', <FormattedMessage key='any' id='hashtag.column_header.tag_mode.any' values={{ additional: this.additionalFor('any') }} defaultMessage='or {additional}' />);
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}
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if (this.additionalFor('all')) {
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title.push(' ', <FormattedMessage key='all' id='hashtag.column_header.tag_mode.all' values={{ additional: this.additionalFor('all') }} defaultMessage='and {additional}' />);
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}
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if (this.additionalFor('none')) {
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title.push(' ', <FormattedMessage key='none' id='hashtag.column_header.tag_mode.none' values={{ additional: this.additionalFor('none') }} defaultMessage='without {additional}' />);
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}
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return title;
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}
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additionalFor = (mode) => {
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const { tags } = this.props.params;
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if (tags && (tags[mode] || []).length > 0) {
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return tags[mode].map(tag => tag.value).join('/');
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} else {
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return '';
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}
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}
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handleMove = (dir) => {
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const { columnId, dispatch } = this.props;
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dispatch(moveColumn(columnId, dir));
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}
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handleHeaderClick = () => {
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this.column.scrollTop();
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}
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_subscribe (dispatch, id, tags = {}, local) {
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let any = (tags.any || []).map(tag => tag.value);
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let all = (tags.all || []).map(tag => tag.value);
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let none = (tags.none || []).map(tag => tag.value);
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[id, ...any].map(tag => {
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this.disconnects.push(dispatch(connectHashtagStream(id, tag, local, status => {
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let tags = status.tags.map(tag => tag.name);
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return all.filter(tag => tags.includes(tag)).length === all.length &&
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none.filter(tag => tags.includes(tag)).length === 0;
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})));
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});
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}
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_unsubscribe () {
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this.disconnects.map(disconnect => disconnect());
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this.disconnects = [];
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}
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_unload () {
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const { dispatch } = this.props;
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const { id, local } = this.props.params;
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this._unsubscribe();
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dispatch(clearTimeline(`hashtag:${id}${local ? ':local' : ''}`));
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}
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_load() {
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const { dispatch } = this.props;
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const { id, tags, local } = this.props.params;
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this._subscribe(dispatch, id, tags, local);
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dispatch(expandHashtagTimeline(id, { tags, local }));
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dispatch(fetchHashtag(id));
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}
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componentDidMount () {
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this._load();
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}
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componentDidUpdate (prevProps) {
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const { params } = this.props;
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const { id, tags, local } = prevProps.params;
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if (id !== params.id || !isEqual(tags, params.tags) || !isEqual(local, params.local)) {
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this._unload();
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this._load();
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}
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}
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componentWillUnmount () {
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this._unsubscribe();
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}
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setRef = c => {
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this.column = c;
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}
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handleLoadMore = maxId => {
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const { dispatch, params } = this.props;
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const { id, tags, local } = params;
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dispatch(expandHashtagTimeline(id, { maxId, tags, local }));
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}
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handleFollow = () => {
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const { dispatch, params, tag } = this.props;
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const { id } = params;
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const { signedIn } = this.context.identity;
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if (!signedIn) {
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return;
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}
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if (tag.get('following')) {
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dispatch(unfollowHashtag(id));
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} else {
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dispatch(followHashtag(id));
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}
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}
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render () {
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const { hasUnread, columnId, multiColumn, tag, intl } = this.props;
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const { id, local } = this.props.params;
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const pinned = !!columnId;
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const { signedIn } = this.context.identity;
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let followButton;
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if (tag) {
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const following = tag.get('following');
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followButton = (
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<button className={classNames('column-header__button')} onClick={this.handleFollow} disabled={!signedIn} title={intl.formatMessage(following ? messages.unfollowHashtag : messages.followHashtag)} aria-label={intl.formatMessage(following ? messages.unfollowHashtag : messages.followHashtag)} aria-pressed={following ? 'true' : 'false'}>
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<Icon id={following ? 'user-times' : 'user-plus'} fixedWidth className='column-header__icon' />
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</button>
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);
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}
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return (
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<Column bindToDocument={!multiColumn} ref={this.setRef} label={`#${id}`}>
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<ColumnHeader
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icon='hashtag'
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active={hasUnread}
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title={this.title()}
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onPin={this.handlePin}
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onMove={this.handleMove}
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onClick={this.handleHeaderClick}
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pinned={pinned}
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multiColumn={multiColumn}
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extraButton={followButton}
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showBackButton
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>
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{columnId && <ColumnSettingsContainer columnId={columnId} />}
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</ColumnHeader>
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<StatusListContainer
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trackScroll={!pinned}
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scrollKey={`hashtag_timeline-${columnId}`}
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timelineId={`hashtag:${id}${local ? ':local' : ''}`}
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onLoadMore={this.handleLoadMore}
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emptyMessage={<FormattedMessage id='empty_column.hashtag' defaultMessage='There is nothing in this hashtag yet.' />}
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bindToDocument={!multiColumn}
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/>
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<Helmet>
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<title>{`#${id}`} - {title}</title>
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</Helmet>
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</Column>
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);
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}
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}
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