/**
 * A single language-neutral rollup: an abstract count with a short, ecosystem-free
 * label. `unit` names WHAT is counted in neutral terms ("components", "edges",
 * "subsystems"), never a tool or language.
 */
export interface MetricRollup {
    label: string;
    count: number;
    unit: string;
}
/**
 * The aggregate-metrics digest — a stable, content-derived set of abstract rollups.
 * Language-neutral: expressed as counts / fan-out / dispersion over the neutral
 * graph + structure artifacts. Deterministic: same bundle → identical digest (so it
 * never churns the artifact hash).
 */
export interface AggregateMetricsDigest {
    /** Ordered abstract rollups (component/unit/subsystem/edge/task counts). */
    rollups: MetricRollup[];
    /** Max fan-out: the highest out-degree over the dependency graph (0 if none). */
    max_fan_out: number;
    /** Total directed edges across every graph category — the coupling mass. */
    total_edges: number;
    /**
     * Count of nodes carrying a structural metric (complexity OR duplication) — the
     * MEASURED surface the adversary can probe for over-built / duplicated code.
     * Language-neutral: the metrics are computed over whatever source the graph
     * builder understood; a node without metrics simply isn't counted (never
     * zero-filled). Deliberately a presence count, not a threshold on the raw
     * `value` — the raw scale is measure-specific, so thresholding it here would
     * smuggle an ecosystem assumption into a language-neutral contract.
     */
    metric_covered_nodes: number;
}
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