/**
 * Shared score-to-level ladder used by qulib scorers.
 *
 * Used by `computeAutomationMaturity` and `computeReleaseConfidence` so
 * the L1–L5 numeric bands are consistent across all qulib scorers.
 * Each scorer can provide its own label suffix if needed; this function
 * provides the canonical L1–L5 numeric thresholds and default labels.
 *
 * L1 < 20 | L2 < 40 | L3 < 60 | L4 < 80 | L5 ≥ 80
 */
export declare function scoreLevel(overall: number): {
    level: number;
    label: string;
};
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