Do not mutate the input map in SwitchTransformer.switchTransformer#696

garydgregory merged 3 commits into

apache:masterapache/commons-collections:masterfrom

vasiliy-mikhailov:fix/switchtransformer-no-mutate-inputvasiliy-mikhailov/commons-collections:fix/switchtransformer-no-mutate-inputCopy head branch name to clipboard