code: public BuiltinIntentMetadata withSupportedLocales(String... supportedLocales) {
          if (this.supportedLocales == null) {
              setSupportedLocales(new java.util.ArrayList<String>(supportedLocales.length));
          }
          for (String ele : supportedLocales) {
              this.supportedLocales.add(ele);
          }
          return this;
      }
docs: <p>
  A list of identifiers for the locales that the intent supports.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSupportedLocales(java.util.Collection)} or {@link #withSupportedLocales(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param supportedLocales
  A list of identifiers for the locales that the intent supports.
  @return Returns a reference to this object so that method calls can be chained together.
  @see Locale