export type PackageManagerFamily = "bun" | "npm" | "pnpm" | "yarn";
export interface PackageManagerResolution {
    family: PackageManagerFamily;
    source: "config" | "user-agent" | "fallback";
    reason: string;
    available: Record<PackageManagerFamily, boolean>;
    configuredFamily?: PackageManagerFamily;
    userAgentFamily?: PackageManagerFamily;
}
export interface PackageManagerCommand {
    command: string;
    args: string[];
}
interface ResolvePackageManagerOptions {
    agentsDir?: string;
    env?: Record<string, string | undefined>;
    userAgent?: string;
    fallbackOrder?: PackageManagerFamily[];
    commandExists?: (command: string) => boolean;
    execPath?: string;
    home?: string;
    platform?: NodeJS.Platform;
}
export declare function parsePackageManagerUserAgent(userAgent: string | undefined): PackageManagerFamily | null;
export declare function detectAvailablePackageManagers(commandExists?: (command: string) => boolean): Record<PackageManagerFamily, boolean>;
export declare function resolvePrimaryPackageManager(options?: ResolvePackageManagerOptions): PackageManagerResolution;
export declare function getSkillsRunnerCommand(family: PackageManagerFamily, skillsArgs: string[]): PackageManagerCommand;
/**
 * Resolve the filesystem path where a globally-installed package lives.
 * Returns undefined if the path cannot be determined or does not exist.
 */
export declare function resolveGlobalPackagePath(family: PackageManagerFamily, packageName: string): string | undefined;
export declare function getGlobalInstallCommand(family: PackageManagerFamily, packageName: string): PackageManagerCommand;
export {};
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