a.collection.immutable.::.type"></a>
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      <span class="modifier_kind">
        <span class="modifier"></span>
        <span class="kind">val</span>
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      <span class="symbol">
        <span title="gt4s: $colon$colon" class="name">::</span><span class="result">: <span class="extype" name="scala.collection.immutabl