public PrepareAgentResult withPreparedAt(java.util.Date preparedAt) {
        setPreparedAt(preparedAt);
        return this;
    }
<p>
The time at which the <code>DRAFT</code> version of the agent was last prepared.
</p>

@param preparedAt
       The time at which the <code>DRAFT</code> version of the agent was last prepared.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-bedrockagent/src/main/java/com/amazonaws/services/bedrockagent/model/PrepareAgentResult.java