import type { RuleSetT } from "./schema.js";
/**
 * Coverage matrix: how many rules apply to each (jurisdiction × use_case)
 * combination, summed across all channels. Higher counts mean better coverage;
 * empty cells are gaps the rule set doesn't yet address.
 *
 * Returned data is plain JSON. Renderers (markdown, csv, etc.) live in the CLI.
 */
export interface CoverageCell {
    /** Number of rules in the bundle that match this (jurisdiction × use_case). */
    count: number;
    /** The severity badges present, deduplicated. */
    severities: Array<"mandatory" | "recommended" | "best-practice">;
    /** Rule ids that contribute to this cell. */
    rule_ids: string[];
}
export interface CoverageMatrix {
    jurisdictions: string[];
    use_cases: readonly string[];
    /** matrix[jurisdiction][use_case] = CoverageCell */
    matrix: Record<string, Record<string, CoverageCell>>;
    totals: {
        rules: number;
        jurisdictions: number;
        use_cases: number;
    };
}
/**
 * Computes the coverage matrix from a rule set. A rule "covers"
 * (jurisdiction, use_case) iff:
 *   - its jurisdiction equals the row jurisdiction, AND
 *   - its use_cases list includes the column use_case (or the universal `general`).
 *
 * NOTE: this matrix uses *exact* jurisdiction equality, NOT the parent-prefix
 * cascading that `lookup()` does. The reason: the matrix is meant to show where
 * rules ORIGINATE, not where they apply via inheritance. To see where a query
 * for `us-ny-nyc` would land (which inherits us-ny and us rules), use `lookup()`.
 */
export declare function computeCoverageMatrix(rules: RuleSetT): CoverageMatrix;
/**
 * Renders the coverage matrix as a markdown table. Cells show rule count;
 * `.` means zero coverage. A short legend below names the channels (which
 * the matrix collapses across).
 */
export declare function renderCoverageMarkdown(m: CoverageMatrix): string;
/** Renders as CSV; same shape as markdown but machine-friendly. */
export declare function renderCoverageCsv(m: CoverageMatrix): string;
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