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Acceptable values: ${AZURE_LOG_LEVELS.join(\n        \", \",\n      )}.`,\n    );\n  }\n}\n\n/**\n * Immediately enables logging at the specified log level. If no level is specified, logging is disabled.\n * @param level - The log level to enable for logging.\n * Options from most verbose to least verbose are:\n * - verbose\n * - info\n * - warning\n * - error\n */\nexport function setLogLevel(level?: AzureLogLevel): void {\n  if (level && !isAzureLogLevel(level)) {\n    throw new Error(\n      `Unknown log level '${level}'. Acceptable values: ${AZURE_LOG_LEVELS.join(\",\")}`,\n    );\n  }\n  azureLogLevel = level;\n\n  const enabledNamespaces = [];\n  for (const logger of registeredLoggers) {\n    if (shouldEnable(logger)) {\n      enabledNamespaces.push(logger.namespace);\n    }\n  }\n\n  debug.enable(enabledNamespaces.join(\",\"));\n}\n\n/**\n * Retrieves the currently specified log level.\n */\nexport function getLogLevel(): AzureLogLevel | undefined {\n  return azureLogLevel;\n}\n\nconst levelMap = {\n  verbose: 400,\n  info: 300,\n  warning: 200,\n  error: 100,\n};\n\n/**\n * Defines the methods available on the SDK-facing logger.\n */\n// eslint-disable-next-line @typescript-eslint/no-redeclare\nexport interface AzureLogger {\n  /**\n   * Used for failures the program is unlikely to recover from,\n   * such as Out of Memory.\n   */\n  error: Debugger;\n  /**\n   * Used when a function fails to perform its intended task.\n   * Usually this means the function will throw an exception.\n   * Not used for self-healing events (e.g. automatic retry)\n   */\n  warning: Debugger;\n  /**\n   * Used when a function operates normally.\n   */\n  info: Debugger;\n  /**\n   * Used for detailed troubleshooting scenarios. This is\n   * intended for use by developers / system administrators\n   * for diagnosing specific failures.\n   */\n  verbose: Debugger;\n}\n\n/**\n * Creates a logger for use by the Azure SDKs that inherits from `AzureLogger`.\n * @param namespace - The name of the SDK package.\n * @hidden\n */\nexport function createClientLogger(namespace: string): AzureLogger {\n  const clientRootLogger: AzureClientLogger = AzureLogger.extend(namespace);\n  patchLogMethod(AzureLogger, clientRootLogger);\n  return {\n    error: createLogger(clientRootLogger, \"error\"),\n    warning: createLogger(clientRootLogger, \"warning\"),\n    info: createLogger(clientRootLogger, \"info\"),\n    verbose: createLogger(clientRootLogger, \"verbose\"),\n  };\n}\n\nfunction patchLogMethod(parent: AzureClientLogger, child: AzureClientLogger | AzureDebugger): void {\n  child.log = (...args) => {\n    parent.log(...args);\n  };\n}\n\nfunction createLogger(parent: AzureClientLogger, level: AzureLogLevel): AzureDebugger {\n  const logger: AzureDebugger = Object.assign(parent.extend(level), {\n    level,\n  });\n\n  patchLogMethod(parent, logger);\n\n  if (shouldEnable(logger)) {\n    const enabledNamespaces = debug.disable();\n    debug.enable(enabledNamespaces + \",\" + logger.namespace);\n  }\n\n  registeredLoggers.add(logger);\n\n  return logger;\n}\n\nfunction shouldEnable(logger: AzureDebugger): boolean {\n  return Boolean(azureLogLevel && levelMap[logger.level] <= levelMap[azureLogLevel]);\n}\n\nfunction isAzureLogLevel(logLevel: string): logLevel is AzureLogLevel {\n  return AZURE_LOG_LEVELS.includes(logLevel as any);\n}\n"]}