provides access to the factory . implemented with lazy instantiation . concode_field_sep int GBF_SEARCH concode_elem_sep int ASTAR_SEARCH concode_elem_sep SearchFactory instance concode_elem_sep int UC_SEARCH concode_elem_sep int GRAPH_SEARCH concode_elem_sep int HILL_SEARCH concode_elem_sep int BF_SEARCH concode_elem_sep int ID_SEARCH concode_elem_sep int TREE_SEARCH concode_elem_sep int RBF_SEARCH concode_elem_sep int DF_SEARCH concode_field_sep String[] getSearchModeNames concode_elem_sep String[] getSearchStrategyNames concode_elem_sep Search createSearch