public java.util.Map<String, java.util.Map<String, TimestampForCollection>> getDatasourcePackageIngestHistory() {
        return datasourcePackageIngestHistory;
    }
<p>
Details on when a data source package was added to a behavior graph.
</p>

@return Details on when a data source package was added to a behavior graph.
aws-java-sdk-detective/src/main/java/com/amazonaws/services/detective/model/MembershipDatasources.java