public void setCredentialDurationSeconds(Integer credentialDurationSeconds) {
        this.credentialDurationSeconds = credentialDurationSeconds;
    }
<p>
How long (in seconds) the credentials will be valid. The default value is 3,600 seconds.
</p>
<p>
This value must be less than or equal to the maximum session duration of the IAM role that the role alias
references.
</p>

@param credentialDurationSeconds
       How long (in seconds) the credentials will be valid. The default value is 3,600 seconds.</p>
       <p>
       This value must be less than or equal to the maximum session duration of the IAM role that the role alias
       references.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/CreateRoleAliasRequest.java