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<h1>foo</h1>
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<a name="$foo()"></a>
<div class="signature"><code><span class="keyword">fun </span><span class="identifier">foo</span><span class="symbol">(</span><span class="symbol">)</span><span class="symbol">: </span><span class="identifier">Int</span></code></div>
<p>Groups elements of the original sequence by the key returned by the given <a href="#">keySelector</a> function
applied to each element and returns a map where each group key is associated with a list of corresponding elements.</p>
<div class="sample" data-min-compiler-version="1.3"><pre><code class="lang-kotlin">

fun main(args: Array&lt;String&gt;) {
//sampleStart
if (true) {
    println(property)
}
//sampleEnd
}</code></pre></div>
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<a name="$foo(kotlin.Int)"></a>
<div class="signature"><code><span class="keyword">fun </span><span class="identifier">foo</span><span class="symbol">(</span><span class="parameterName" id="$foo(kotlin.Int)/i">i</span><span class="symbol">:</span>&nbsp;<span class="identifier">Int</span><span class="symbol">)</span><span class="symbol">: </span><span class="identifier">Int</span></code></div>
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