/**
 * Iterative Tarjan strongly-connected components (graph-internal).
 * Shared by occurrence SCC features and package-cycle queries.
 */
/**
 * Compute SCCs over `nodes` with `neighbors(v)`. Deterministic: components'
 * members are sorted; input node order is preserved for discovery order.
 * Stack-safe iterative Tarjan; O(V+E).
 */
export declare function stronglyConnectedComponents(nodes: readonly string[], neighbors: (v: string) => readonly string[]): readonly (readonly string[])[];
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