private com.google.protobuf.SingleFieldBuilderV3<
              com.google.protobuf.Timestamp,
              com.google.protobuf.Timestamp.Builder,
              com.google.protobuf.TimestampOrBuilder>
          getScheduleTimeFieldBuilder() {
        if (scheduleTimeBuilder_ == null) {
          scheduleTimeBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.protobuf.Timestamp,
                  com.google.protobuf.Timestamp.Builder,
                  com.google.protobuf.TimestampOrBuilder>(
                  getScheduleTime(), getParentForChildren(), isClean());
          scheduleTime_ = null;
        }
        return scheduleTimeBuilder_;
      }
<pre>
A timestamp indicates when the next run will be scheduled. The value is
refreshed by the server after each run. If unspecified, it will default
to current server time, which means the scan will be scheduled to start
immediately.
</pre>

<code>.google.protobuf.Timestamp schedule_time = 1;</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/ScanConfig.java