public ApiKey withLastUpdatedDate(java.util.Date lastUpdatedDate) {
        setLastUpdatedDate(lastUpdatedDate);
        return this;
    }
<p>
The timestamp when the API Key was last updated.
</p>

@param lastUpdatedDate
       The timestamp when the API Key was last updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-api-gateway/src/main/java/com/amazonaws/services/apigateway/model/ApiKey.java