KtOperationReferenceExpression(149,151): '+='
  isImplicitReferenceToCompanion: false
  contextSensitiveResolutionStatus: NotAvailable
  lookupLocally: false
  KaSymbolResolutionSuccess:
    symbols = [
      kotlin/String.plus(<dispatch receiver>: kotlin.String, other: kotlin.Any?): kotlin.String,
      /MyList.set(<dispatch receiver>: MyList, index: kotlin.Int, value: kotlin.String): kotlin.Unit
    ]
