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HTML
241 lines
No EOL
10 KiB
HTML
<!doctype html>
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<head>
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<meta charset="utf-8">
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<title>DeltaTimeCalculator | SDF-2D - v0.7.3</title>
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<a href="../index.html" class="title">SDF-2D - v0.7.3</a>
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<li>
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<a href="../globals.html">Globals</a>
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</li>
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<li>
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<a href="deltatimecalculator.html">DeltaTimeCalculator</a>
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</li>
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</ul>
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<h1>Class DeltaTimeCalculator</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 helper class for calculating the elapsed time between frames.</p>
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</div>
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<p>Handles the case, where the browser tab is not in focus and <code>requestAnimationFrame</code>
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does not get called for performance reasons. In this case, the return deltaTime won't be
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an unreasonably large value.</p>
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</div>
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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">DeltaTimeCalculator</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>Index</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>Constructors</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-constructor tsd-parent-kind-class"><a href="deltatimecalculator.html#constructor" class="tsd-kind-icon">constructor</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</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-method tsd-parent-kind-class"><a href="deltatimecalculator.html#destroy" class="tsd-kind-icon">destroy</a></li>
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<li class="tsd-kind-method tsd-parent-kind-class"><a href="deltatimecalculator.html#getnextdeltatime" class="tsd-kind-icon">get<wbr>Next<wbr>Delta<wbr>Time</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>Constructors</h2>
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<section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class">
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<a name="constructor" class="tsd-anchor"></a>
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<h3>constructor</h3>
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<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class">
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<li class="tsd-signature tsd-kind-icon">new <wbr>Delta<wbr>Time<wbr>Calculator<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="deltatimecalculator.html" class="tsd-signature-type">DeltaTimeCalculator</a></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/schmelczerandras/sdf-2d/blob/fe393eb/src/helper/delta-time-calculator.ts#L10">helper/delta-time-calculator.ts:10</a></li>
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</ul>
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</aside>
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<h4 class="tsd-returns-title">Returns <a href="deltatimecalculator.html" class="tsd-signature-type">DeltaTimeCalculator</a></h4>
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</li>
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</ul>
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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-class">
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<a name="destroy" class="tsd-anchor"></a>
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<h3>destroy</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
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<li class="tsd-signature tsd-kind-icon">destroy<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</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/schmelczerandras/sdf-2d/blob/fe393eb/src/helper/delta-time-calculator.ts#L35">helper/delta-time-calculator.ts:35</a></li>
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</ul>
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</aside>
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<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></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-member tsd-kind-method tsd-parent-kind-class">
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<a name="getnextdeltatime" class="tsd-anchor"></a>
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<h3>get<wbr>Next<wbr>Delta<wbr>Time</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
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<li class="tsd-signature tsd-kind-icon">get<wbr>Next<wbr>Delta<wbr>Time<span class="tsd-signature-symbol">(</span>currentTime<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">DOMHighResTimeStamp</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">DOMHighResTimeStamp</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/schmelczerandras/sdf-2d/blob/fe393eb/src/helper/delta-time-calculator.ts#L25">helper/delta-time-calculator.ts:25</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>Return the elapsed time in <strong>milliseconds</strong> since the previous call of this
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method by subtracting the previously given <code>currentTime</code> argument from the
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current <code>currentTime</code> argument.</p>
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</div>
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<p>Takes visibilitychange events into account.</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>currentTime: <span class="tsd-signature-type">DOMHighResTimeStamp</span></h5>
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<div class="tsd-comment tsd-typography">
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<p>Current time acquired e.g. with <code>requestAnimationFrame</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 <span class="tsd-signature-type">DOMHighResTimeStamp</span></h4>
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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="globals ">
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<a href="../globals.html"><em>Globals</em></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-class">
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<a href="deltatimecalculator.html" class="tsd-kind-icon">Delta<wbr>Time<wbr>Calculator</a>
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<ul>
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<li class=" tsd-kind-constructor tsd-parent-kind-class">
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<a href="deltatimecalculator.html#constructor" class="tsd-kind-icon">constructor</a>
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</li>
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<li class=" tsd-kind-method tsd-parent-kind-class">
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<a href="deltatimecalculator.html#destroy" class="tsd-kind-icon">destroy</a>
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</li>
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<li class=" tsd-kind-method tsd-parent-kind-class">
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<a href="deltatimecalculator.html#getnextdeltatime" class="tsd-kind-icon">get<wbr>Next<wbr>Delta<wbr>Time</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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</div>
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</div>
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</div>
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<footer>
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<div class="container">
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<h2>Legend</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-method tsd-parent-kind-class tsd-is-protected"><span class="tsd-kind-icon">Protected 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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</ul>
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