code: public void setFileSystems(java.util.Collection<FileSystemDescription> fileSystems) {
          if (fileSystems == null) {
              this.fileSystems = null;
              return;
          }
  
          this.fileSystems = new com.amazonaws.internal.SdkInternalList<FileSystemDescription>(fileSystems);
      }
docs: <p>
  An array of file system descriptions.
  </p>
  
  @param fileSystems
  An array of file system descriptions.