/**
 * ExtractionModeDetector - Detect and extract errors from GitHub Actions logs
 *
 * Supports two modes:
 * 1. Matrix mode: Validate YAML output with extraction field (pass through faithfully)
 * 2. Non-matrix mode: Raw test output (detect extractor and extract errors)
 *
 * Try matrix first, fall back to non-matrix if YAML not found.
 *
 * @packageDocumentation
 */
import type { ErrorExtractorResult } from '@vibe-validate/extractors';
import type { GitHubActionCheck } from '../schemas/watch-pr-result.schema.js';
/**
 * ExtractionModeDetector - Detect extraction mode and extract errors
 *
 * Tries matrix mode first (YAML with extraction field), falls back to non-matrix mode.
 */
export declare class ExtractionModeDetector {
    /**
     * Detect extraction mode and extract errors
     *
     * @param check - GitHub Actions check
     * @param logs - Raw log output
     * @returns ErrorExtractorResult or null if extraction failed
     */
    detectAndExtract(check: GitHubActionCheck, logs: string): Promise<ErrorExtractorResult | null>;
    /**
     * Extract from matrix mode (validate YAML output)
     *
     * Looks for YAML markers (---...---) and extracts the "extraction" field.
     *
     * @param logs - Raw log output
     * @returns ErrorExtractorResult or null if not matrix mode
     */
    private extractFromMatrixMode;
    /**
     * Extract from non-matrix mode (raw test output)
     *
     * Detects extractor from check name or logs, then runs extraction.
     *
     * @param _checkName - Check name (unused - autoDetectAndExtract handles detection)
     * @param logs - Raw log output
     * @returns ErrorExtractorResult or null if extraction failed
     */
    private extractFromNonMatrixMode;
    /**
     * Strip GitHub Actions log prefix from a single line
     *
     * @param line - Log line
     * @returns Cleaned line
     */
    private stripLogPrefix;
    /**
     * Extract ErrorExtractorResult from parsed YAML
     *
     * Tries root level first (vibe-validate run output), then nested (vibe-validate validate output)
     *
     * @param parsed - Parsed YAML object
     * @returns ErrorExtractorResult or null
     */
    private extractFromYAML;
    /**
     * Extract ErrorExtractorResult from phases array (validate output)
     *
     * @param phases - Phases array
     * @returns ErrorExtractorResult or null
     */
    private extractFromPhases;
    /**
     * Extract ErrorExtractorResult from a single phase's steps
     *
     * @param phase - Phase object
     * @returns ErrorExtractorResult or null
     */
    private extractFromPhaseSteps;
    /**
     * Validate extraction structure
     *
     * @param extraction - Extraction object
     * @returns ErrorExtractorResult or null
     */
    private validateExtraction;
}
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