public static Set<String> findGraphFilesToImport( File appDirectory, File editedFile, String fileContent ) {

		File graphDir = new File( appDirectory, Constants.PROJECT_DIR_GRAPH );
		return findFilesToImport( graphDir, Constants.FILE_EXT_GRAPH, editedFile, fileContent );
	}
public static Set < String > findGraphFilesToImport ( File appDirectory , File editedFile , String fileContent ) { File graphDir = new File ( appDirectory , Constants . PROJECT_DIR_GRAPH ) ; return findFilesToImport ( graphDir , Constants . FILE_EXT_GRAPH , editedFile , fileContent ) ; }
Finds all the graph files that can be imported.
@param appDirectory the application's directory
@param editedFile the graph file that is being edited
@param fileContent the file content (not null)
@return a non-null set of (relative) file paths