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<td class="colOne"><a href="../../jakarta/ejb/class-use/LockType.html#jakarta.ejb">LockType</a>
<div class="block">Concurrency lock type for singleton beans with container-managed concurrency.</div>
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<td class="colOne"><a href="../../jakarta/ejb/class-use/MessageDrivenContext.html#jakarta.ejb">MessageDrivenContext</a>
<div class="block">The MessageDrivenContext interface provides access to the runtime message-driven context that the conta