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<div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="uvm_heartbeat" href="../../src/base/uvm_heartbeat.svh">uvm_heartbeat</a></h1><div class=CBody><p>Heartbeats provide a way for environments to easily ensure that their descendants are alive.&nbsp; A uvm_heartbeat is associated with a specific objection objec