/**
 * Performance Analyzer Service
 *
 * Detects performance anti-patterns in code
 */
import type { PerformancePattern, PerformanceAnalysisResult, PerformanceConfig } from "../types/performance.js";
/**
 * Service for detecting performance anti-patterns in code.
 *
 * Scans for common performance issues like N+1 queries, memory leaks,
 * inefficient loops, and provides fix suggestions based on patterns.
 */
export declare class PerformanceAnalyzer {
    private projectRoot;
    private config;
    private patterns;
    /**
     * @param projectRoot - Root directory of the project
     */
    constructor(projectRoot: string);
    /**
     * Load configuration from .cortex/performance.json
     */
    loadConfig(): Promise<void>;
    /**
     * Save configuration to .cortex/performance.json
     */
    saveConfig(config: Partial<PerformanceConfig>): Promise<void>;
    /**
     * Analyze files for performance issues
     */
    analyzeFiles(files: string[]): Promise<PerformanceAnalysisResult>;
    /**
     * Analyze a single file
     */
    private analyzeFile;
    /**
     * Find pattern matches in file
     */
    private findPatternInFile;
    /**
     * Check if pattern appears in specific context
     */
    private checkContext;
    /**
     * Check if file matches a pattern (glob-like)
     */
    private matchesPattern;
    /**
     * Get built-in performance patterns
     */
    private getBuiltInPatterns;
    /**
     * Add custom pattern
     */
    addCustomPattern(pattern: PerformancePattern): Promise<void>;
    /**
     * Get all patterns (built-in + custom)
     */
    getPatterns(): PerformancePattern[];
    /**
     * Disable a pattern
     */
    disablePattern(patternName: string): Promise<void>;
    /**
     * Enable a pattern
     */
    enablePattern(patternName: string): Promise<void>;
}
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