h class="colFirst" scope="row"><a href="EventMetadata.html" title="interface in jakarta.enterprise.inject.spi">EventMetadata</a></th>
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 Provides access to metadata about an observed event payload.</div>
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<th class="colFirst" scope="row"><a href="Extension.html" title="interface in jakarta.enterprise.inject.spi">Extension</a></th>
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<div class="block">
 Service interface implemented by extensions.</div>
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