export declare const isNpmInstallNeeded: (storage: any) => Promise<{
    needed: boolean;
    reason: string;
}>;
export declare const optimizedNpmInstall: (options?: {
    skipIfNotNeeded?: boolean;
    useCache?: boolean;
    verbose?: boolean;
}) => Promise<{
    duration: number;
    skipped: boolean;
    reason: string;
}>;
export declare const tryNpmCi: () => Promise<{
    success: boolean;
    duration?: number;
}>;
export declare const smartNpmInstall: (options?: {
    skipIfNotNeeded?: boolean;
    preferCi?: boolean;
    verbose?: boolean;
}) => Promise<{
    duration: number;
    method: string;
    skipped: boolean;
}>;
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