/**
 * Prettier lens for code formatting
 */
import { BaseLens } from '../base/BaseLens.js';
import { LensResult, ExecuteResult } from '../../types/index.js';
/**
 * Prettier check output format
 * Prettier --check outputs file paths that need formatting to stdout
 * and a summary message
 */
interface PrettierParsedOutput {
    filesNeedingFormatting: string[];
    filesChecked: number;
    /** All file paths that Prettier analyzed (from debug output) */
    analyzedFilePaths: string[];
}
/**
 * Lens for Prettier code formatter
 */
export declare class PrettierLens extends BaseLens<PrettierParsedOutput> {
    readonly name = "prettier";
    readonly description = "Code formatter";
    readonly languages: string[];
    readonly supportedTools: string[];
    readonly requirements: import("../..").LensRequirements;
    private pathMapper?;
    /**
     * Calculate quality score (0-100) from Prettier results
     *
     * Scoring algorithm:
     * - Start at 100
     * - Subtract penalty based on percentage of files needing formatting
     * - Formula: 100 - (filesNeedingFormatting / filesChecked * 100)
     * - Floor at 0
     *
     * Examples:
     * - 0 files need formatting = 100
     * - 1 out of 10 files = 90
     * - 5 out of 10 files = 50
     * - All files need formatting = 0
     */
    static calculateQualityScore(result: LensResult): number;
    /**
     * Parse Prettier check output
     *
     * Prettier --check outputs:
     * - Files that need formatting to stdout (one per line)
     * - Exit code 1 if formatting needed, 0 if all files formatted
     * - May output "Checking formatting..." or "All matched files..." messages
     *
     * With --log-level debug, Prettier outputs:
     * - "[debug] resolve config from <path>" for every file it checks
     * - This allows us to count total files checked, not just failing ones
     */
    parse(output: ExecuteResult): PrettierParsedOutput;
    /**
     * Format Prettier results to standard format
     */
    format(parsed: PrettierParsedOutput): LensResult;
    /**
     * Get or create path mapper
     */
    private getPathMapper;
    /**
     * Prepare command for execution by adding required flags
     * Adds both --log-level (Prettier 3.x) and --loglevel (Prettier 2.x) for compatibility
     */
    prepareCommand(command: string): string;
    /**
     * Override execute to ensure check mode and debug output for file counting
     */
    execute(): Promise<ExecuteResult>;
}
export {};
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