How to use the ern-orchestrator.Ensure.isContainerPath function in ern-orchestrator

}
    if (isValidPlatformConfig) {
      kaxTask = kax.task('Ensuring that config key is whitelisted')
      Ensure.isValidPlatformConfig(isValidPlatformConfig.key)
      kaxTask.succeed()
    }
    if (isSupportedMiniAppOrJsApiImplVersion) {
      kaxTask = kax.task('Ensuring that version is fixed')
      Ensure.isSupportedMiniAppOrJsApiImplVersion(
        isSupportedMiniAppOrJsApiImplVersion.obj
      )
      kaxTask.succeed()
    }
    if (isContainerPath) {
      kaxTask = kax.task('Ensuring that path is a container path')
      Ensure.isContainerPath(
        isContainerPath.p,
        isContainerPath.extraErrorMessage
      )
      kaxTask.succeed()
    }
    if (isEnvVariableDefined) {
      kaxTask = kax.task(
        `Ensuring that ${isEnvVariableDefined.name} env variable is defined`
      )
      Ensure.isEnvVariableDefined(
        isEnvVariableDefined.name,
        isEnvVariableDefined.extraErrorMessage
      )
      kaxTask.succeed()
    }
    if (manifestIdExists) {