/** Pretty-print a dependency chain like npm ls / user example. */
export declare function formatChain(names: string[]): string;
/** Tree under a bold root line: each segment uses └── (baseIndent + 4×depth spaces). */
export declare function formatChainUnderRootHeader(names: string[], baseIndent?: number): string;
/** Drop first line of `formatChain(names)` — use when the first name is already a subgroup header. */
export declare function formatChainRest(names: string[]): string;
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