public java.lang.String getReportPathPrefix() {
      java.lang.Object ref = reportPathPrefix_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        reportPathPrefix_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
<pre>
Prefix of the object name of each report's shard. This will have full
prefix except the "extension" and "shard_id".
For example, if the `destination_path` is
`{{report-config-id}}/dt={{datetime}}`, the shard object name would be
`gs://my-insights/1A34-F2E456-12B456-1C3D/dt=2022-05-20T06:35/1A34-F2E456-12B456-1C3D_2022-05-20T06:35_5.csv`
and the value of `report_path_prefix` field would be
`gs://my-insights/1A34-F2E456-12B456-1C3D/dt=2022-05-20T06:35/1A34-F2E456-12B456-1C3D_2022-05-20T06:35_`.
</pre>

<code>string report_path_prefix = 8;</code>

@return The reportPathPrefix.
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/ReportDetail.java