Version[] getVersionHistory() throws IOException {
		synchronized (fileSystem) {
			if (versionedFolderItem != null) {
				return versionedFolderItem.getVersions();
			}
			return null;
		}
	}
Returns list of all available versions.
@return the versions
@throws IOException if there is an exception getting the history
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/GhidraFileData.java