export declare function openUrl(url: string): Promise<void>;
export declare function isWindows(): boolean;
export declare function isMacOS(): boolean;
export declare function isLinux(): boolean;
export declare const defaultHelpLink = "https://aka.ms/teamsfx-envchecker-help";
export declare const nodeNotFoundHelpLink: string;
export declare const nodeNotSupportedForAzureHelpLink: string;
export declare const nodeNotSupportedForSPFxHelpLink: string;
export declare const dotnetExplanationHelpLink: string;
export declare const dotnetFailToInstallHelpLink: string;
export declare const dotnetManualInstallHelpLink: string;
export declare const dotnetNotSupportTargetVersionHelpLink: string;
export declare const Messages: {
    learnMoreButtonText: string;
    continueButtonText: string;
    defaultErrorMessage: string;
    startInstallFunctionCoreTool: string;
    finishInstallFunctionCoreTool: string;
    needReplaceWithFuncCoreToolV3: string;
    needInstallFuncCoreTool: string;
    failToInstallFuncCoreTool: string;
    failToValidateFuncCoreTool: string;
    downloadDotnet: string;
    finishInstallDotnet: string;
    useGlobalDotnet: string;
    dotnetInstallStderr: string;
    dotnetInstallErrorCode: string;
    failToInstallDotnet: string;
    NodeNotFound: string;
    NodeNotSupported: string;
    dotnetNotFound: string;
    depsNotFound: string;
    linuxDepsNotFound: string;
};
export declare enum DepsCheckerEvent {
    funcCheck = "func-check",
    funcCheckSkipped = "func-check-skipped",
    funcInstall = "func-install",
    funcInstallCompleted = "func-install-completed",
    funcValidation = "func-validation",
    funcValidationCompleted = "func-validation-completed",
    funcV1Installed = "func-v1-installed",
    funcV2Installed = "func-v2-installed",
    funcV3Installed = "func-v3-installed",
    dotnetCheckSkipped = "dotnet-check-skipped",
    dotnetAlreadyInstalled = "dotnet-already-installed",
    dotnetInstallCompleted = "dotnet-install-completed",
    dotnetInstallError = "dotnet-install-error",
    dotnetInstallScriptCompleted = "dotnet-install-script-completed",
    dotnetInstallScriptError = "dotnet-install-script-error",
    dotnetValidationError = "dotnet-validation-error",
    nodeNotFound = "node-not-found",
    nodeNotSupportedForAzure = "node-not-supported-for-azure",
    nodeNotSupportedForSPFx = "node-not-supported-for-spfx"
}
export declare enum TelemtryMessages {
    failedToInstallFunc = "failed to install Func core tools.",
    funcV1Installed = "func v1 is installed by user.",
    NPMNotFound = "npm is not found.",
    failedToExecDotnetScript = "failed to exec dotnet script.",
    failedToValidateDotnet = "failed to validate dotnet."
}
export declare enum TelemetryMessurement {
    completionTime = "completion-time"
}
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