code: public com.squareup.okhttp.Call putCharactersCharacterIdContactsAsync(Integer characterId, Float standing,
              List<Integer> requestBody, String datasource, List<Long> labelIds, String token, Boolean watched,
              final ApiCallback<Void> callback) throws ApiException {
  
          com.squareup.okhttp.Call call = putCharactersCharacterIdContactsValidateBeforeCall(characterId, standing,
                  requestBody, datasource, labelIds, token, watched, callback);
          apiClient.executeAsync(call, callback);
          return call;
      }
docs: Edit contacts (asynchronously) Bulk edit contacts with same settings ---
  SSO Scope: esi-characters.write_contacts.v1
  
  @param characterId
  An EVE character ID (required)
  @param standing
  Standing for the contact (required)
  @param requestBody
  A list of contacts (required)
  @param datasource
  The server name you would like data from (optional, default to
  tranquility)
  @param labelIds
  Add custom labels to the contact (optional)
  @param token
  Access token to use if unable to set a header (optional)
  @param watched
  Whether the contact should be watched, note this is only
  effective on characters (optional, default to false)
  @param callback
  The callback to be executed when the API call finishes
  @return The request call
  @throws ApiException
  If fail to process the API call, e.g. serializing the request
  body object