@Override
    public DeleteKnownHostKeysResult deleteKnownHostKeys(DeleteKnownHostKeysRequest request) {
        request = beforeClientExecution(request);
        return executeDeleteKnownHostKeys(request);
    }
<p>
Deletes the known host key or certificate used by the Amazon Lightsail browser-based SSH or RDP clients to
authenticate an instance. This operation enables the Lightsail browser-based SSH or RDP clients to connect to the
instance after a host key mismatch.
</p>
<important>
<p>
Perform this operation only if you were expecting the host key or certificate mismatch or if you are familiar
with the new host key or certificate on the instance. For more information, see <a href=
"https://lightsail.aws.amazon.com/ls/docs/en_us/articles/amazon-lightsail-troubleshooting-browser-based-ssh-rdp-client-connection"
>Troubleshooting connection issues when using the Amazon Lightsail browser-based SSH or RDP client</a>.
</p>
</important>

@param deleteKnownHostKeysRequest
@return Result of the DeleteKnownHostKeys operation returned by the service.
@throws ServiceException
        A general service exception.
@throws InvalidInputException
        Lightsail throws this exception when user input does not conform to the validation rules of an input
        field.</p> <note>
        <p>
        Domain and distribution APIs are only available in the N. Virginia (<code>us-east-1</code>) Amazon Web
        Services Region. Please set your Amazon Web Services Region configuration to <code>us-east-1</code> to
        create, view, or edit these resources.
        </p>
@throws NotFoundException
        Lightsail throws this exception when it cannot find a resource.
@throws OperationFailureException
        Lightsail throws this exception when an operation fails to execute.
@throws AccessDeniedException
        Lightsail throws this exception when the user cannot be authenticated or uses invalid credentials to
        access a resource.
@throws AccountSetupInProgressException
        Lightsail throws this exception when an account is still in the setup in progress state.
@throws UnauthenticatedException
        Lightsail throws this exception when the user has not been authenticated.
@sample AmazonLightsail.DeleteKnownHostKeys
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/lightsail-2016-11-28/DeleteKnownHostKeys" target="_top">AWS
     API Documentation</a>
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/AmazonLightsailClient.java