/** Newest window: tail of the bridge log by bytes (not full file). */
export declare const BRIDGE_LOG_TAIL_BYTES: number;
export declare const MAX_TOOL_FAILURE_CLASSES = 30;
export declare function resolveBridgePluginLogPath(): string;
/** Read up to `maxBytes` from the end of a log file (UTF-8). */
export declare function tailLogFileBytes(path: string, maxBytes: number): string;
export type ToolFailureKey = string;
/**
 * Aggregate failure-shaped lines from bridge plugin log text into counts.
 * Input should be a recent tail only; keys are tool/command + error class.
 */
export declare function aggregateBridgeToolFailures(logText: string): Map<ToolFailureKey, number>;
/**
 * Render the `### Recent AFT tool failures` markdown section from aggregated counts.
 */
export declare function formatRecentAftToolFailuresSection(counts: Map<ToolFailureKey, number>, options?: {
    maxClasses?: number;
}): string;
/**
 * Build the tool-failures section from the bridge log path (newest tail window).
 */
export declare function buildRecentAftToolFailuresSectionFromLog(logPath?: string, options?: {
    tailBytes?: number;
    maxClasses?: number;
}): string;
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