docs: public synchronized void setStoreFileSize(long newMinimumStoreFileSize
                                                , long newMaximumStoreFileSize)
                      throws ObjectManagerException
      {
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.entry(this,
                          cclass,
                          "setStoreFileSize",
                          new Object[] { new Long(newMinimumStoreFileSize), new Long(newMaximumStoreFileSize) }
                              );
  
          // Synchronized so we have locked out flush();
  
          if (newMinimumStoreFileSize > newMaximumStoreFileSize) {
              if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
                  trace.exit(this, cclass
                             , "setStoreFileSize"
                                  );
              throw new IllegalArgumentException(newMinimumStoreFileSize + ">" + newMaximumStoreFileSize);
          } // if (newStoreFileSize...
  
          // Check that the new MaximumStoreFileSize is still bigger than the existing
          // contents if the ObjectStore.
          if (newMaximumStoreFileSize < storeFileSizeUsed) {
              if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
                  trace.exit(this, cclass
                             , "setStoreFileSize"
                             , new Object[] { new Long(newMaximumStoreFileSize), new Long(storeFileSizeAllocated), new Long(storeFileSizeUsed) }
                                  );
              throw new StoreFileSizeTooSmallException(this
                                                       , newMaximumStoreFileSize
                                                       , storeFileSizeAllocated
                                                       , storeFileSizeUsed);
          } // if (newStoreFileSize...
  
          // If we are expanding the minimum file size grab the disk space now.
          // If we fail before storing the new administered values the space will be release next time
          // we open().
          if (newMinimumStoreFileSize > storeFileSizeAllocated) {
  
              try {
                  setStoreFileSizeInternalWithException(newMinimumStoreFileSize);
              } catch (java.io.IOException exception)
              {
                  // No FFDC Code Needed.
                  ObjectManager.ffdc.processException(this, cclass, "setStoreFileSize", exception, "1:349:1.57");
  
                  if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
                      trace.exit(this, cclass, "setStoreFileSize");
  
                  throw new PermanentIOException(this, exception);
              }
  
          } // if ( newMinimumStoreFileSize > storeFileSizeAllocated).
  
          minimumStoreFileSize = newMinimumStoreFileSize;
          maximumStoreFileSize = newMaximumStoreFileSize;
  
          writeHeader();
          force();
  
          setAllocationAllowed();
  
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.exit(this,
                         cclass,
                         "setStoreFileSize");
      }