export declare function packageRootsForModule(target: string, moduleName: string): string[];
/** True when the resolved package root contains package.json (ignores empty dirs). */
export declare function moduleExistsInNodeModules(target: string, moduleName: string): boolean;
export declare function unresolvedModulesFromLogSlice(lines: string[], startIndex?: number): string[];
export declare function bundleErrorExcerptHash(excerpt: string): string;
export interface LogBoundaryScan {
    lastErr: number;
    lastOk: number;
}
export declare function scanLogBoundaries(lines: string[], options: {
    errorPattern: RegExp;
    okPattern: RegExp;
}): LogBoundaryScan;
/**
 * Return the last capture group from `errorPattern` when the error is not
 * superseded by a later `okPattern` line (e.g. stale native-module errors).
 */
export declare function supersededErrorCapture(logText: string, options: {
    errorPattern: RegExp;
    okPattern: RegExp;
}): string | null;
export interface BundleLogAnalysis {
    status: 'ok' | 'errors' | 'bundling' | 'no-log';
    reason?: 'bundle-error' | 'unresolved-module' | 'stale-bundle-error';
    excerpt?: string;
    /**
     * Bare package specifiers cited by the active error. They are missing when
     * reason is unresolved-module and already installed when it is stale-bundle-error.
     */
    unresolvedModules?: string[];
    /** Relative or absolute source paths that require a code or bundler fix. */
    sourceImports?: string[];
}
export interface AnalyzeBundleLogOptions {
    target: string;
    logText: string;
    errorPattern: RegExp;
    okPattern: RegExp;
    bundlingPattern?: RegExp;
}
export declare function analyzeBundleLog(options: AnalyzeBundleLogOptions): BundleLogAnalysis;
export interface PersistentBundleErrorDecision {
    blocked: boolean;
    excerptHash: string;
}
/** Block when the same bundle-error excerpt was already recorded for this target. */
export declare function evaluatePersistentBundleError(target: string, excerpt: string, stateFile?: string): PersistentBundleErrorDecision;
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