public Builder setManagedScan(boolean value) {

      managedScan_ = value;
      bitField0_ |= 0x00000400;
      onChanged();
      return this;
    }
<pre>
Whether the scan config is managed by Web Security Scanner, output
only.
</pre>

<code>bool managed_scan = 13;</code>

@param value The managedScan to set.
@return This builder for chaining.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/ScanConfig.java