public void setSourceType(String sourceType) {
        this.sourceType = sourceType;
    }
<p>
Specifies how to handle multiple base segments for the segment. For example, if you specify three base segments
for the segment, whether the resulting segment is based on all, any, or none of the base segments.
</p>

@param sourceType
       Specifies how to handle multiple base segments for the segment. For example, if you specify three base
       segments for the segment, whether the resulting segment is based on all, any, or none of the base
       segments.
@see SourceType
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/SegmentGroup.java