public void setARN(String aRN) {
        this.aRN = aRN;
    }
The ARN of the Secrets Manager secret to make available on the core. The value of the secret's latest version
(represented by the ''AWSCURRENT'' staging label) is included by default.

@param aRN
       The ARN of the Secrets Manager secret to make available on the core. The value of the secret's latest
       version (represented by the ''AWSCURRENT'' staging label) is included by default.
aws-java-sdk-greengrass/src/main/java/com/amazonaws/services/greengrass/model/SecretsManagerSecretResourceData.java