public EntityNotExistsException withEntityIds(String... entityIds) {
        if (this.entityIds == null) {
            setEntityIds(new java.util.ArrayList<String>(entityIds.length));
        }
        for (String ele : entityIds) {
            this.entityIds.add(ele);
        }
        return this;
    }
<p>
The IDs of the non-existent resources.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setEntityIds(java.util.Collection)} or {@link #withEntityIds(java.util.Collection)} if you want to
override the existing values.
</p>

@param entityIds
       The IDs of the non-existent resources.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-workdocs/src/main/java/com/amazonaws/services/workdocs/model/EntityNotExistsException.java