member' id='retainItems'>
									<h3>retainItems</h3>											<div class='fullMemberString'>
							<span class='code'>function <strong>retainItems</strong>(items:<a href="org_casalib_collection_IList.html">IList</a>) : Boolean</span>						</div>											<div class='description'>
																			<p>Retains only the specified items in a list.</p>						</div>										<div class='boxWithBorder'>
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			<span class='title'>Parameters</spa