public DescribeFileSystemsRequest withMaxItems(Integer maxItems) {
        setMaxItems(maxItems);
        return this;
    }
<p>
(Optional) Specifies the maximum number of file systems to return in the response (integer). This number is
automatically set to 100. The response is paginated at 100 per page if you have more than 100 file systems.
</p>

@param maxItems
       (Optional) Specifies the maximum number of file systems to return in the response (integer). This number
       is automatically set to 100. The response is paginated at 100 per page if you have more than 100 file
       systems.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/DescribeFileSystemsRequest.java