public void setSnsTopicArns(java.util.Collection<String> snsTopicArns) {
        if (snsTopicArns == null) {
            this.snsTopicArns = null;
            return;
        }

        this.snsTopicArns = new java.util.ArrayList<String>(snsTopicArns);
    }
The ARNs of the SNS topics that deliver notifications to AWS Chatbot.

@param snsTopicArns
       The ARNs of the SNS topics that deliver notifications to AWS Chatbot.
aws-java-sdk-chatbot/src/main/java/com/amazonaws/services/chatbot/model/TeamsChannelConfiguration.java