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

        this.replaceWith = new java.util.ArrayList<String>(replaceWith);
    }
<p>
This action specifies the replacement recipient email addresses to insert.
</p>

@param replaceWith
       This action specifies the replacement recipient email addresses to insert.
aws-java-sdk-mailmanager/src/main/java/com/amazonaws/services/mailmanager/model/ReplaceRecipientAction.java