public Builder addLanguageCodes(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      ensureLanguageCodesIsMutable();
      languageCodes_.add(value);
      bitField0_ |= 0x00000800;
      onChanged();
      return this;
    }
<pre>
This filter specifies the locale of jobs to search against,
for example, "en-US".

If a value isn't specified, the search results can contain jobs in any
locale.


Language codes should be in BCP-47 format, such as "en-US" or "sr-Latn".
For more information, see
[Tags for Identifying Languages](https://tools.ietf.org/html/bcp47).

At most 10 language code filters are allowed.
</pre>

<code>repeated string language_codes = 11;</code>

@param value The languageCodes to add.
@return This builder for chaining.
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/JobQuery.java