true_strings = ('1', 't', 'true', 'y', 'yes')
    false_strings = ('0', 'f', 'false', 'n', 'no')
    if var_content in true_strings:
      var = True
    elif var_content in false_strings:
      var = False
    else:
      raise UserInputError(
          'Environment variable %s must be set as a boolean indicator.\n'
          'The following are accepted as TRUE : %s.\n'

        "type": "k8s"
      },
      "kubernetes": {
        "kubeconfig": "/etc/cni/net.d/calico-kubeconfig"
      }
    },
    {
      "type": "portmap",
      "snat": true,
      "capabilities": {
        "portMappings": true
      }
    }
  ]

   */
  COLLECTED {
    @Override
    boolean wasEvicted() {
      return true;
    }
  },

  /**
   * The entry's expiration timestamp has passed. This can occur when using {@link
   * CacheBuilder#expireAfterWrite} or {@link CacheBuilder#expireAfterAccess}.
   */
  EXPIRED {
    @Override
    boolean wasEvicted() {
      return true;
    }
  },

  /**

        )
        assertEquals(expectedRunnerParam(), steps.getGradleStep("GRADLE_RUNNER").gradleParams)
    }

    @ParameterizedTest
    @CsvSource(
        value = [
            "myParam, true,  '--daemon'",
            "''     , true,  '--daemon'",
            "myParam, false, '--no-daemon'",
            "''     , false, '--no-daemon'"
        ]
    )

		{ // case 0, no args
			args:           []string{},
			noIstiod:       true,
			expectedOutput: "Error: debug type is required\n",
			wantException:  true,
		},
		{ // case 1, no istiod
			args:           []string{"adsz"},
			noIstiod:       true,
			expectedOutput: "Error: no running Istio pods in \"istio-system\"\n",
			wantException:  true,
		},
		{ // case 2, with Istiod instance
			args:           []string{"adsz"},

    setupFlushable(false);
    doFlush(mockFlushable, true, false);
  }

  public void testFlush_flushableWithEatenException() throws IOException {
    // make sure that no exception is thrown if 'swallowException' is true
    // when the mock does throw an exception on flush.
    setupFlushable(true);
    doFlush(mockFlushable, true, false);
  }

        "type": "k8s"
      },
      "kubernetes": {
        "kubeconfig": "/etc/cni/net.d/calico-kubeconfig"
      }
    },
    {
      "type": "portmap",
      "snat": true,
      "capabilities": {
        "portMappings": true
      }
    }
  ]

		"The key portion of the label which will be set by the race repair if label pods is true")
	registerStringParameter(constants.RepairLabelValue, "true",
		"The value portion of the label which will be set by the race repair if label pods is true")
	registerStringParameter(constants.RepairNodeName, "", "The name of the managed node (will manage all nodes if unset)")

	return config.lastRefreshedAt
}

// IsTierValid returns true if there exists a remote tier by name tierName,
// otherwise returns false.
func (config *TierConfigMgr) IsTierValid(tierName string) bool {
	config.RLock()
	defer config.RUnlock()
	_, valid := config.isTierNameInUse(tierName)
	return valid
}

// isTierNameInUse returns tier type and true if there exists a remote tier by

                        "normalize_path": true,
                        "request_id_extension": {
                          "typed_config": {
                            "@type": "type.googleapis.com/envoy.extensions.request_id.uuid.v3.UuidRequestIdConfig",
                            "use_request_id_for_trace_sampling": true
                          }
                        },