@Override
	public boolean isClosed() {
		return provider == null;
	}
Returns a {@link ByteProvider} that supplies the bytes of the requested file.

@param file {@link GFile} to get
@param monitor {@link TaskMonitor} to cancel
@return {@link ByteProvider} containing the bytes of the requested file, caller is
responsible for closing the ByteProvider
@throws IOException if error
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/ext4/Ext4FileSystem.java