String getContentType() {
		synchronized (fileSystem) {
			FolderItem item = folderItem != null ? folderItem : versionedFolderItem;
			// this can happen when we are trying to load a version file from
			// a server to which we are not connected
			if (item == null) {
				return ContentHandler.MISSING_CONTENT;
			}
			String contentType = item.getContentType();
			return contentType != null ? contentType : ContentHandler.UNKNOWN_CONTENT;
		}
	}
Returns content-type string for this file
@return the file content type or a reserved content type {@link ContentHandler#MISSING_CONTENT}
or {@link ContentHandler#UNKNOWN_CONTENT}.
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/GhidraFileData.java