export type Platform = "win32" | "darwin" | "linux";
export type Tool = "node" | "gh";
export interface DetectToolResult {
    present: boolean;
    version?: string;
}
export interface InstallToolResult {
    ok: boolean;
    message: string;
    manualUrl?: string;
}
export declare function currentPlatform(): Platform | "unsupported";
export declare function detectTool(tool: Tool): DetectToolResult;
export declare function installTool(tool: Tool, platform: Platform): InstallToolResult;
export declare function getInstallerCommand(tool: Tool, platform: Exclude<Platform, "linux">): readonly string[];
export declare function getManualInstallUrl(tool: Tool): string;
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