public EventCategoriesMap withSourceType(String sourceType) {
        setSourceType(sourceType);
        return this;
    }
<p>
The source type that the returned categories belong to.
</p>

@param sourceType
       The source type that the returned categories belong to.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/EventCategoriesMap.java