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

        this.source = new java.util.ArrayList<String>(source);
    }
<p>
The identity source to use when mapping a specified attribute to IAM Identity Center.
</p>

@param source
       The identity source to use when mapping a specified attribute to IAM Identity Center.
aws-java-sdk-ssoadmin/src/main/java/com/amazonaws/services/ssoadmin/model/AccessControlAttributeValue.java