CredHelperConfiguration getBaseImageCredHelperConfig() {
    String property = getProperty(PropertyNames.FROM_CRED_HELPER);
    if (property != null) {
      from.credHelper.setHelper(property);
    }
    return from.credHelper;
  }
Gets the base image credential helper configuration.

@return configuration for the base image credential helper
jib-maven-plugin/src/main/java/com/google/cloud/tools/jib/maven/JibPluginConfiguration.java