An optimization result object ('optimizationResult')Algorithm: xcmsParameter set 1/1 (BEST):    Experimental designs tested: 2    Starting params:    - bw: c(22, 28)    Optimized params:    - groupArgs: list(bw = 28)    - retcorArgs: list(method = "obiwarp")    Best results: exp_index: 1; good_groups: 25; bad_groups: 15; GS: 41.6666666666667; RCS: 1523.69675050833; retcor_done: 1Best parameter set: 1