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<div class="container">
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<ul class="tsd-breadcrumb">
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<li>
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<a href="../modules.html">VS Code API 中文文档</a>
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</li>
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<li>
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<a href="../modules/vscode.html">vscode</a>
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</li>
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<li>
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<a href="vscode.TreeDataProvider.html">TreeDataProvider</a>
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</li>
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</ul>
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<h1>Interface TreeDataProvider<T></h1>
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</div>
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</div>
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</header>
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<div class="container container-main">
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<div class="row">
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<div class="col-8 col-content">
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<section class="tsd-panel tsd-comment">
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>A data provider that provides tree data</p>
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</div>
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</div>
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</section>
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<section class="tsd-panel tsd-type-parameters">
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<h3>Type parameters</h3>
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<ul class="tsd-type-parameters">
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<li>
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<h4>T</h4>
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</li>
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</ul>
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</section>
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<section class="tsd-panel tsd-hierarchy">
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<h3>层级</h3>
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<ul class="tsd-hierarchy">
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<li>
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<span class="target">TreeDataProvider</span>
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</li>
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</ul>
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</section>
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<section class="tsd-panel-group tsd-index-group">
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<h2>索引</h2>
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<section class="tsd-panel tsd-index-panel">
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<div class="tsd-index-content">
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<section class="tsd-index-section ">
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<h3>Properties（1）</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-property tsd-parent-kind-interface"><a href="vscode.TreeDataProvider.html#onDidChangeTreeData" class="tsd-kind-icon">on<wbr>Did<wbr>Change<wbr>Tree<wbr>Data</a></li>
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</ul>
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</section>
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<section class="tsd-index-section ">
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<h3>Methods（4）</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-method tsd-parent-kind-interface"><a href="vscode.TreeDataProvider.html#getTreeItem" class="tsd-kind-icon">get<wbr>Tree<wbr>Item</a></li>
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<li class="tsd-kind-method tsd-parent-kind-interface"><a href="vscode.TreeDataProvider.html#getChildren" class="tsd-kind-icon">get<wbr>Children</a></li>
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<li class="tsd-kind-method tsd-parent-kind-interface"><a href="vscode.TreeDataProvider.html#getParent" class="tsd-kind-icon">get<wbr>Parent</a></li>
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<li class="tsd-kind-method tsd-parent-kind-interface"><a href="vscode.TreeDataProvider.html#resolveTreeItem" class="tsd-kind-icon">resolve<wbr>Tree<wbr>Item</a></li>
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</ul>
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</section>
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</div>
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</section>
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</section>
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<section class="tsd-panel-group tsd-member-group ">
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<h2>Properties（1）</h2>
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<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
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<a name="onDidChangeTreeData" class="tsd-anchor"></a>
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<h3><span class="tsd-flag ts-flagOptional">Optional</span> on<wbr>Did<wbr>Change<wbr>Tree<wbr>Data</h3>
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<div class="tsd-signature tsd-kind-icon">on<wbr>Did<wbr>Change<wbr>Tree<wbr>Data<span class="tsd-signature-symbol">:</span> <a href="vscode.Event.html" class="tsd-signature-type" data-tsd-kind="Interface">Event</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">></span></div>
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/vscode-cn/vscode-api-cn/blob/cd5e693/vscode.d.ts#L9258">vscode.d.ts:9258</a></li>
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</ul>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>An optional event to signal that an element or root has changed.
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This will trigger the view to update the changed element/root and its children recursively (if shown).
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To signal that root has changed, do not pass any argument or pass <code>undefined</code> or <code>null</code>.</p>
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</div>
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</div>
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</section>
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</section>
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<section class="tsd-panel-group tsd-member-group ">
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<h2>Methods（4）</h2>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
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<a name="getTreeItem" class="tsd-anchor"></a>
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<h3>get<wbr>Tree<wbr>Item</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
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<li class="tsd-signature tsd-kind-icon">get<wbr>Tree<wbr>Item<span class="tsd-signature-symbol">(</span>element<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a><span class="tsd-signature-symbol"> | </span><a href="Thenable.html" class="tsd-signature-type" data-tsd-kind="Interface">Thenable</a><span class="tsd-signature-symbol"><</span><a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a><span class="tsd-signature-symbol">></span></li>
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</ul>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/vscode-cn/vscode-api-cn/blob/cd5e693/vscode.d.ts#L9266">vscode.d.ts:9266</a></li>
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</ul>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>Get <a href="../classes/vscode.TreeItem.html">TreeItem</a> representation of the <code>element</code></p>
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</div>
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</div>
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<h4 class="tsd-parameters-title">Parameters</h4>
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<ul class="tsd-parameters">
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<li>
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<h5>element: <span class="tsd-signature-type">T</span></h5>
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<div class="tsd-comment tsd-typography">
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<p>The element for which <a href="../classes/vscode.TreeItem.html">TreeItem</a> representation is asked for.</p>
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</div>
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</li>
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</ul>
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<h4 class="tsd-returns-title">Returns <a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a><span class="tsd-signature-symbol"> | </span><a href="Thenable.html" class="tsd-signature-type" data-tsd-kind="Interface">Thenable</a><span class="tsd-signature-symbol"><</span><a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a><span class="tsd-signature-symbol">></span></h4>
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<p><a href="../classes/vscode.TreeItem.html">TreeItem</a> representation of the element</p>
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</li>
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</ul>
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</section>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
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<a name="getChildren" class="tsd-anchor"></a>
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<h3>get<wbr>Children</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
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<li class="tsd-signature tsd-kind-icon">get<wbr>Children<span class="tsd-signature-symbol">(</span>element<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">></span></li>
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</ul>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/vscode-cn/vscode-api-cn/blob/cd5e693/vscode.d.ts#L9274">vscode.d.ts:9274</a></li>
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</ul>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>Get the children of <code>element</code> or root if no element is passed.</p>
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</div>
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</div>
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<h4 class="tsd-parameters-title">Parameters</h4>
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<ul class="tsd-parameters">
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<li>
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<h5><span class="tsd-flag ts-flagOptional">Optional</span> element: <span class="tsd-signature-type">T</span></h5>
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<div class="tsd-comment tsd-typography">
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<p>The element from which the provider gets children. Can be <code>undefined</code>.</p>
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</div>
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</li>
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</ul>
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<h4 class="tsd-returns-title">Returns <a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">></span></h4>
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<p>Children of <code>element</code> or root if no element is passed.</p>
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</li>
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</ul>
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</section>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
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<a name="getParent" class="tsd-anchor"></a>
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<h3><span class="tsd-flag ts-flagOptional">Optional</span> get<wbr>Parent</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
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<li class="tsd-signature tsd-kind-icon">get<wbr>Parent<span class="tsd-signature-symbol">(</span>element<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">></span></li>
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</ul>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/vscode-cn/vscode-api-cn/blob/cd5e693/vscode.d.ts#L9285">vscode.d.ts:9285</a></li>
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</ul>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>Optional method to return the parent of <code>element</code>.
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Return <code>null</code> or <code>undefined</code> if <code>element</code> is a child of root.</p>
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</div>
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<p><strong>NOTE:</strong> This method should be implemented in order to access <a href="vscode.TreeView.html#reveal">reveal</a> API.</p>
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</div>
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<h4 class="tsd-parameters-title">Parameters</h4>
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<ul class="tsd-parameters">
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<li>
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<h5>element: <span class="tsd-signature-type">T</span></h5>
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<div class="tsd-comment tsd-typography">
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<p>The element for which the parent has to be returned.</p>
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</div>
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</li>
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</ul>
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<h4 class="tsd-returns-title">Returns <a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">></span></h4>
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<p>Parent of <code>element</code>.</p>
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</li>
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</ul>
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</section>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
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<a name="resolveTreeItem" class="tsd-anchor"></a>
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<h3><span class="tsd-flag ts-flagOptional">Optional</span> resolve<wbr>Tree<wbr>Item</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
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<li class="tsd-signature tsd-kind-icon">resolve<wbr>Tree<wbr>Item<span class="tsd-signature-symbol">(</span>item<span class="tsd-signature-symbol">: </span><a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a>, element<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span>, token<span class="tsd-signature-symbol">: </span><a href="vscode.CancellationToken.html" class="tsd-signature-type" data-tsd-kind="Interface">CancellationToken</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a><span class="tsd-signature-symbol">></span></li>
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</ul>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/vscode-cn/vscode-api-cn/blob/cd5e693/vscode.d.ts#L9308">vscode.d.ts:9308</a></li>
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</ul>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>Called on hover to resolve the <a href="../classes/vscode.TreeItem.html#tooltip">TreeItem</a> property if it is undefined.
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Called on tree item click/open to resolve the <a href="../classes/vscode.TreeItem.html#command">TreeItem</a> property if it is undefined.
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Only properties that were undefined can be resolved in <code>resolveTreeItem</code>.
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Functionality may be expanded later to include being called to resolve other missing
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properties on selection and/or on open.</p>
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</div>
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<p>Will only ever be called once per TreeItem.</p>
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<p>onDidChangeTreeData should not be triggered from within resolveTreeItem.</p>
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<p><em>Note</em> that this function is called when tree items are already showing in the UI.
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Because of that, no property that changes the presentation (label, description, etc.)
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can be changed.</p>
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</div>
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<h4 class="tsd-parameters-title">Parameters</h4>
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|
<ul class="tsd-parameters">
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<li>
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<h5>item: <a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a></h5>
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|
<div class="tsd-comment tsd-typography">
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<p>Undefined properties of <code>item</code> should be set then <code>item</code> should be returned.</p>
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</div>
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</li>
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<li>
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<h5>element: <span class="tsd-signature-type">T</span></h5>
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|
<div class="tsd-comment tsd-typography">
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<p>The object associated with the TreeItem.</p>
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|
</div>
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</li>
|
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<li>
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|
<h5>token: <a href="vscode.CancellationToken.html" class="tsd-signature-type" data-tsd-kind="Interface">CancellationToken</a></h5>
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|
<div class="tsd-comment tsd-typography">
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|
<p>A cancellation token.</p>
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</div>
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</li>
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</ul>
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|
<h4 class="tsd-returns-title">Returns <a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><a href="../classes/vscode.TreeItem.html" class="tsd-signature-type" data-tsd-kind="Class">TreeItem</a><span class="tsd-signature-symbol">></span></h4>
|
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|
|
<p>The resolved tree item or a thenable that resolves to such. It is OK to return the given
|
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|
|
<code>item</code>. When no result is returned, the given <code>item</code> will be used.</p>
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</li>
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</ul>
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</section>
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</section>
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</div>
|
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|
|
<div class="col-4 col-menu menu-sticky-wrap menu-highlight">
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|
|
<nav class="tsd-navigation primary">
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|
|
<ul>
|
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|
<li class=" ">
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|
|
<a href="../modules.html">Exports</a>
|
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|
|
</li>
|
|
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|
|
|
<li class="current tsd-kind-namespace">
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|
<a href="../modules/vscode.html">vscode</a>
|
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|
<ul>
|
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|
<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.authentication.html">authentication</a>
|
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</li>
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|
<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.commands.html">commands</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.comments.html">comments</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.debug.html">debug</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.env.html">env</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.extensions.html">extensions</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.languages.html">languages</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.notebooks.html">notebooks</a>
|
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.scm.html">scm</a>
|
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.tasks.html">tasks</a>
|
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</li>
|
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|
<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.tests.html">tests</a>
|
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.window.html">window</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.workspace.html">workspace</a>
|
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</li>
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</ul>
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</li>
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</ul>
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</nav>
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<nav class="tsd-navigation secondary menu-sticky">
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<ul class="before-current">
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</ul>
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<ul class="current">
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<li class="current tsd-kind-interface tsd-parent-kind-namespace tsd-has-type-parameter">
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<a href="vscode.TreeDataProvider.html" class="tsd-kind-icon">Tree<wbr>Data<wbr>Provider</a>
|
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<ul>
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<li class=" tsd-kind-property tsd-parent-kind-interface">
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<a href="vscode.TreeDataProvider.html#onDidChangeTreeData" class="tsd-kind-icon">on<wbr>Did<wbr>Change<wbr>Tree<wbr>Data</a>
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</li>
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<li class=" tsd-kind-method tsd-parent-kind-interface">
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<a href="vscode.TreeDataProvider.html#getTreeItem" class="tsd-kind-icon">get<wbr>Tree<wbr>Item</a>
|
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|
</li>
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|
<li class=" tsd-kind-method tsd-parent-kind-interface">
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<a href="vscode.TreeDataProvider.html#getChildren" class="tsd-kind-icon">get<wbr>Children</a>
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</li>
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|
<li class=" tsd-kind-method tsd-parent-kind-interface">
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|
<a href="vscode.TreeDataProvider.html#getParent" class="tsd-kind-icon">get<wbr>Parent</a>
|
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|
</li>
|
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|
|
<li class=" tsd-kind-method tsd-parent-kind-interface">
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|
<a href="vscode.TreeDataProvider.html#resolveTreeItem" class="tsd-kind-icon">resolve<wbr>Tree<wbr>Item</a>
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</li>
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</ul>
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</li>
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</ul>
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<ul class="after-current">
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</ul>
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</nav>
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<script type="text/javascript" id="clstr_globe"
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src="//clustrmaps.com/globe.js?d=cMnk-gSDNcAzNMMm67U8rWRaHnjUc0Xb0giSGndepK4"></script>
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<footer class="with-border-bottom">
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<div class="container">
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<h2>图例</h2>
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<div class="tsd-legend-group">
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<ul class="tsd-legend">
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<li class="tsd-kind-property tsd-parent-kind-interface"><span class="tsd-kind-icon">Property</span></li>
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<li class="tsd-kind-method tsd-parent-kind-interface"><span class="tsd-kind-icon">Method</span></li>
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</ul>
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</footer>
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<div class="container tsd-generator">
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<p>Generated by <a href="https://typedoc.org/" target="_blank">TypeDoc</a></p>
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