public ChangeProgressStatusDetails withCompletedProperties(String... completedProperties) {
        if (this.completedProperties == null) {
            setCompletedProperties(new java.util.ArrayList<String>(completedProperties.length));
        }
        for (String ele : completedProperties) {
            this.completedProperties.add(ele);
        }
        return this;
    }
<p>
The list of properties in the domain configuration change that have completed.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setCompletedProperties(java.util.Collection)} or {@link #withCompletedProperties(java.util.Collection)}
if you want to override the existing values.
</p>

@param completedProperties
       The list of properties in the domain configuration change that have completed.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/ChangeProgressStatusDetails.java