import type { GraphBundle } from "audit-tools/shared";
/** An undirected weighted coupling edge (canonical `a < b`). */
export interface CouplingEdge {
    a: string;
    b: string;
    weight: number;
}
export interface DataStateCouplingOptions {
    /**
     * A target is "generic" (dropped) once its referrer count exceeds
     * max(genericAbsolute, genericFraction × universe). Ubiquitous targets carry no
     * grouping signal and would otherwise couple everything.
     */
    genericFraction?: number;
    genericAbsolute?: number;
    /** Minimum shared-target count for an edge to be emitted. */
    minSharedTargets?: number;
}
/**
 * Derive data/state coupling edges from a graph bundle's structural edges. Two
 * source files sharing K non-generic targets get one undirected edge of weight K.
 * Deterministic: edges are canonicalized (`a < b`) and sorted by (a, b). Degrades
 * to `[]` for an edgeless / malformed bundle (never throws).
 */
export declare function deriveDataStateCoupling(graphBundle: GraphBundle, options?: DataStateCouplingOptions): CouplingEdge[];
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