import type { HarnessInstallOptions, HarnessInstallResult } from "./types";
export declare function execFilePromise(command: string, args: string[], options?: {
    cwd?: string;
    env?: NodeJS.ProcessEnv;
}): Promise<{
    stdout: string;
    stderr: string;
    exitCode: number;
}>;
export declare function renderCommand(command: string, args: string[]): string;
export declare function getNpmCommand(): string;
export declare function getNpxCommand(): string;
export declare function runPackageBinaryViaNpx(args: {
    harness: string;
    packageName: string;
    packageArgs: string[];
    summary: string;
    options: HarnessInstallOptions;
    cwd?: string;
    env?: NodeJS.ProcessEnv;
    location?: string;
}): Promise<HarnessInstallResult>;
export declare function installCliViaNpm(args: {
    harness: string;
    cliCommand: string;
    packageName: string;
    summary: string;
    options: HarnessInstallOptions;
}): Promise<HarnessInstallResult>;
export declare function getCodexHome(): string;
export declare function getInstalledCodexSkillDir(): string;
export declare function isCodexPluginInstalled(): boolean;
export declare function getClaudeInstalledPluginsPath(): string;
export declare function isClaudePluginInstalled(): boolean;
export declare function getGeminiExtensionDir(workspace?: string): string;
export declare function isGeminiPluginInstalled(workspace?: string): boolean;
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