private void ensureLearnMoreUrlsIsMutable() {
      if (!learnMoreUrls_.isModifiable()) {
        learnMoreUrls_ = new com.google.protobuf.LazyStringArrayList(learnMoreUrls_);
      }
      bitField0_ |= 0x00000004;
    }
<pre>
The version number.
</pre>

<code>string version = 2;</code>

@param value The bytes for version to set.
@return This builder for chaining.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/OutdatedLibrary.java