public void setFileSystems(java.util.Collection<FileSystemDescription> fileSystems) {
        if (fileSystems == null) {
            this.fileSystems = null;
            return;
        }

        this.fileSystems = new com.amazonaws.internal.SdkInternalList<FileSystemDescription>(fileSystems);
    }
<p>
An array of file system descriptions.
</p>

@param fileSystems
       An array of file system descriptions.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/DescribeFileSystemsResult.java