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275 lines
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<a href="../index.html" class="title">VS Code API 中文文档</a>
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<a href="../index.html">VS Code API 中文文档</a>
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<li>
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<a href="CompletionItemProvider.html">CompletionItemProvider</a>
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</li>
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</ul>
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<h1>Interface CompletionItemProvider<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>The completion item provider interface defines the contract between extensions and
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<a href="https://code.visualstudio.com/docs/editor/intellisense">IntelliSense</a>.</p>
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</div>
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<p>Providers can delay the computation of the <a href="../classes/CompletionItem.html#detail"><code>detail</code></a>
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and <a href="../classes/CompletionItem.html#documentation"><code>documentation</code></a> properties by implementing the
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<a href="CompletionItemProvider.html#resolveCompletionItem"><code>resolveCompletionItem</code></a>-function. However, properties that
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are needed for the initial sorting and filtering, like <code>sortText</code>, <code>filterText</code>, <code>insertText</code>, and <code>range</code>, must
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not be changed during resolve.</p>
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<p>Providers are asked for completions either explicitly by a user gesture or -depending on the configuration-
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implicitly when typing words or trigger characters.</p>
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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<span class="tsd-signature-symbol">: </span><a href="../classes/CompletionItem.html" class="tsd-signature-type" data-tsd-kind="Class">CompletionItem</a> = <a href="../classes/CompletionItem.html" class="tsd-signature-type" data-tsd-kind="Class">CompletionItem</a></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>Hierarchy</h3>
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<ul class="tsd-hierarchy">
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<li>
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<span class="target">CompletionItemProvider</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>Methods</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="CompletionItemProvider.html#provideCompletionItems" class="tsd-kind-icon">provide<wbr>Completion<wbr>Items</a></li>
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<li class="tsd-kind-method tsd-parent-kind-interface"><a href="CompletionItemProvider.html#resolveCompletionItem" class="tsd-kind-icon">resolve<wbr>Completion<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>Methods</h2>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
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<a name="provideCompletionItems" class="tsd-anchor"></a>
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<h3>provide<wbr>Completion<wbr>Items</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">provide<wbr>Completion<wbr>Items<span class="tsd-signature-symbol">(</span>document<span class="tsd-signature-symbol">: </span><a href="TextDocument.html" class="tsd-signature-type" data-tsd-kind="Interface">TextDocument</a>, position<span class="tsd-signature-symbol">: </span><a href="../classes/Position.html" class="tsd-signature-type" data-tsd-kind="Class">Position</a>, token<span class="tsd-signature-symbol">: </span><a href="CancellationToken.html" class="tsd-signature-type" data-tsd-kind="Interface">CancellationToken</a>, context<span class="tsd-signature-symbol">: </span><a href="CompletionContext.html" class="tsd-signature-type" data-tsd-kind="Interface">CompletionContext</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../index.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><a href="../classes/CompletionList.html" class="tsd-signature-type" data-tsd-kind="Class">CompletionList</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/youngjuning/vscode-api-cn/blob/01cd187/vscode.d.ts#L4284">vscode.d.ts:4284</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>Provide completion items for the given position and document.</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>document: <a href="TextDocument.html" class="tsd-signature-type" data-tsd-kind="Interface">TextDocument</a></h5>
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<div class="tsd-comment tsd-typography">
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<p>The document in which the command was invoked.</p>
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</div>
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</li>
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<li>
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<h5>position: <a href="../classes/Position.html" class="tsd-signature-type" data-tsd-kind="Class">Position</a></h5>
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<div class="tsd-comment tsd-typography">
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<p>The position at which the command was invoked.</p>
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</div>
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</li>
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<li>
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<h5>token: <a href="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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<li>
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<h5>context: <a href="CompletionContext.html" class="tsd-signature-type" data-tsd-kind="Interface">CompletionContext</a></h5>
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<div class="tsd-comment tsd-typography">
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<p>How the completion was triggered.</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="../index.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><a href="../classes/CompletionList.html" class="tsd-signature-type" data-tsd-kind="Class">CompletionList</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>An array of completions, a <a href="../classes/CompletionList.html">completion list</a>, or a thenable that resolves to either.
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The lack of a result can be signaled by returning <code>undefined</code>, <code>null</code>, or an empty array.</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="resolveCompletionItem" class="tsd-anchor"></a>
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<h3><span class="tsd-flag ts-flagOptional">Optional</span> resolve<wbr>Completion<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>Completion<wbr>Item<span class="tsd-signature-symbol">(</span>item<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span>, token<span class="tsd-signature-symbol">: </span><a href="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="../index.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/youngjuning/vscode-api-cn/blob/01cd187/vscode.d.ts#L4305">vscode.d.ts:4305</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>Given a completion item fill in more data, like <a href="../classes/CompletionItem.html#documentation">doc-comment</a>
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or <a href="../classes/CompletionItem.html#detail">details</a>.</p>
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</div>
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<p>The editor will only resolve a completion item once.</p>
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<p><em>Note</em> that this function is called when completion items are already showing in the UI or when an item has been
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selected for insertion. Because of that, no property that changes the presentation (label, sorting, filtering etc)
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or the (primary) insert behaviour (<a href="../classes/CompletionItem.html#insertText">insertText</a>) can be changed.</p>
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<p>This function may fill in <a href="../classes/CompletionItem.html#additionalTextEdits">additionalTextEdits</a>. However, that means an item might be
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inserted <em>before</em> resolving is done and in that case the editor will do a best effort to still apply those additional
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text edits.</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: <span class="tsd-signature-type">T</span></h5>
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<div class="tsd-comment tsd-typography">
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<p>A completion item currently active in the UI.</p>
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</div>
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</li>
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<li>
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<h5>token: <a href="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="../index.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>The resolved completion item or a thenable that resolves to of 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="../index.html">Exports</a>
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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-has-type-parameter">
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<a href="CompletionItemProvider.html" class="tsd-kind-icon">Completion<wbr>Item<wbr>Provider</a>
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<ul>
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<li class=" tsd-kind-method tsd-parent-kind-interface">
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<a href="CompletionItemProvider.html#provideCompletionItems" class="tsd-kind-icon">provide<wbr>Completion<wbr>Items</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="CompletionItemProvider.html#resolveCompletionItem" class="tsd-kind-icon">resolve<wbr>Completion<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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<footer class="with-border-bottom">
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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-constructor tsd-parent-kind-class"><span class="tsd-kind-icon">Constructor</span></li>
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<li class="tsd-kind-property tsd-parent-kind-class"><span class="tsd-kind-icon">Property</span></li>
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<li class="tsd-kind-method tsd-parent-kind-class"><span class="tsd-kind-icon">Method</span></li>
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</ul>
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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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<ul class="tsd-legend">
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<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited property</span></li>
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<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited method</span></li>
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</ul>
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<ul class="tsd-legend">
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<li class="tsd-kind-property tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static property</span></li>
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<li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static method</span></li>
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</ul>
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<p>Generated by <a href="https://typedoc.org/" target="_blank">TypeDoc</a></p>
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