question: informs the optimization that a traversal will begin . concode_field_sep AbstractCompiler compiler concode_field_sep Node optimizeSubtree concode_elem_sep void endTraversal concode_elem_sep CodingConvention getCodingConvention concode_elem_sep boolean isASTNormalized concode_elem_sep boolean nodeTypeMayHaveSideEffects concode_elem_sep void reportCodeChange concode_elem_sep void report concode_elem_sep boolean areDeclaredGlobalExternsOnWindow concode_elem_sep boolean mayHaveSideEffects concode_elem_sep boolean mayEffectMutableState concode_elem_sep boolean isEcmaScript5OrGreater concode_elem_sep boolean areNodesEqualForInlining
target: void function ( AbstractCompiler arg0 ) { this . compiler = arg0 ; }