uments Type Checking</a></h3>
   Functions to simplify validation done during service initialization.
<h2><a name="types">Data Types</a></h2>

<h3 class="typedecl"><a name="type-period">period()</a></h3>
<p><tt>period() = non_neg_integer() | limit_min | limit_max | {pos_integer(), seconds | second} | {pos_integer(), minutes | minute} | {pos_integer(), hours | hour} | {pos_integer(), days | day}</tt></p>


<h2><a name="index">Function Index</a></h2>
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