@Override
    public DeleteExpressionResult deleteExpression(DeleteExpressionRequest request) {
        request = beforeClientExecution(request);
        return executeDeleteExpression(request);
    }
<p>
Removes an <code><a>Expression</a></code> from the search domain. For more information, see <a
href="http://docs.aws.amazon.com/cloudsearch/latest/developerguide/configuring-expressions.html"
target="_blank">Configuring Expressions</a> in the <i>Amazon CloudSearch Developer Guide</i>.
</p>

@param deleteExpressionRequest
       Container for the parameters to the <code><a>DeleteExpression</a></code> operation. Specifies the name of
       the domain you want to update and the name of the expression you want to delete.
@return Result of the DeleteExpression operation returned by the service.
@throws BaseException
        An error occurred while processing the request.
@throws InternalException
        An internal error occurred while processing the request. If this problem persists, report an issue from
        the <a href="http://status.aws.amazon.com/" target="_blank">Service Health Dashboard</a>.
@throws InvalidTypeException
        The request was rejected because it specified an invalid type definition.
@throws ResourceNotFoundException
        The request was rejected because it attempted to reference a resource that does not exist.
@throws ValidationException
        The request was rejected because it has invalid parameters.
@sample AmazonCloudSearch.DeleteExpression
aws-java-sdk-cloudsearch/src/main/java/com/amazonaws/services/cloudsearchv2/AmazonCloudSearchClient.java