interface HandlerCoverage {
    file: string;
    line: number;
    status: 'native' | 'migratable' | 'explicit-foreign' | 'heuristic-foreign' | 'template-placeholder' | 'blocked' | 'empty';
    reason: string;
}
interface SelfCoverageReport {
    root: string;
    scannedFiles: number;
    filesWithParseErrors: number;
    parseErrors: Array<{
        file: string;
        line: number;
        message: string;
    }>;
    totalHandlers: number;
    nativeHandlers: number;
    rawHandlers: number;
    emptyRawHandlers: number;
    migratableRawHandlers: number;
    explicitForeignHandlers: number;
    heuristicForeignHandlers: number;
    templatePlaceholderHandlers: number;
    blockedHandlers: number;
    nativeAuthoredPct: number | null;
    classifiedOrMigratablePct: number | null;
    blockers: Array<{
        reason: string;
        count: number;
        pctOfBlocked: number;
    }>;
    handlers: HandlerCoverage[];
}
export declare function collectSelfCoverage(rootDir: string, opts?: {
    canonicalizeBraces?: boolean;
}): SelfCoverageReport;
export declare function runSelfCoverage(args: string[]): Promise<void>;
export {};