import type { ImpactOptions, ImpactResult } from "./types";
import type { CallGraph } from "./types";
/**
 * pi-impact-analyzer
 *
 * AST-based dependency tracing that answers:
 * "If I change this symbol, what else could break?"
 *
 * v0.3.0 - Passive mode with auto-indexing and caching
 */
declare const DEFAULT_CONFIG: {
    /** Auto-index project on session start */
    autoIndex: boolean;
    /** Cache graph to disk for faster startup */
    cacheEnabled: boolean;
    /** Cache TTL in milliseconds (5 minutes) */
    cacheTTL: number;
    /** Directories to ignore when scanning */
    ignoreDirs: Set<string>;
    /** File extensions to index */
    extensions: Set<string>;
    /** Enable debug logging */
    debug: boolean;
};
type Config = typeof DEFAULT_CONFIG;
export declare function scanAndBuildGraph(rootDir?: string): Promise<CallGraph>;
export declare function buildGraph(files: Array<{
    path: string;
    content: string;
}>): Promise<void>;
export declare function indexFile(filePath: string, content: string): Promise<void>;
export declare function impactAnalyzeExecute(_toolCallId: string, params: {
    type: "symbol" | "file" | "diff";
    target: string;
    options?: ImpactOptions;
}, _signal: AbortSignal | undefined, _onUpdate: any, _ctx: any): ImpactResult | string;
export declare function impactAnalyzeHandler(input: {
    type: "symbol" | "file" | "diff";
    target: string;
    options?: ImpactOptions;
}, _ctx?: any): ImpactResult | string;
/**
 * Auto-index the project directory.
 * Called automatically on session start if autoIndex is enabled.
 */
export declare function autoIndex(rootDir?: string): Promise<void>;
/**
 * Check if a file is a source file that should be indexed.
 */
export declare function isSourceFile(filePath: string): boolean;
/**
 * Get indexing status.
 */
export declare function getIndexingStatus(): {
    initialized: boolean;
    indexing: boolean;
    nodeCount: number;
    fileCount: number;
    lastIndexTime: number;
};
/**
 * Invalidate cache for a specific file.
 */
export declare function invalidateFile(filePath: string): void;
/**
 * Clear all caches.
 */
export declare function clearCache(): void;
/**
 * Update configuration.
 */
export declare function updateConfig(newConfig: Partial<Config>): void;
/**
 * Get current configuration.
 */
export declare function getConfig(): Readonly<Config>;
export declare function scanProject(rootDir: string, options?: {
    includeNodeModules?: boolean;
    extensions?: string[];
}): string[];
export declare function buildGraphFromProject(rootDir: string, options?: {
    includeNodeModules?: boolean;
    extensions?: string[];
}): Promise<void>;
export declare function getRiskiestSymbols(topN?: number): import("./types").AffectedSymbol[];
export declare function getOrphans(): import("./types").AffectedSymbol[];
export { TreeSitterParser } from "./parser";
export { GraphBuilder } from "./graph-builder";
export { ImpactAnalyzer } from "./impact-analyzer";
export { ASTExtractor } from "./extractor";
export { SymbolResolver } from "./symbol-resolver";
export type { ImpactResult, ImpactOptions, AffectedSymbol, SymbolDefinition, CallSite, CallGraph, GraphNode, } from "./types";
/**
 * Pi extension factory function.
 * This is the default export that Pi calls to initialize the extension.
 *
 * v0.3.0 - Passive mode with auto-indexing
 */
export default function piImpactAnalyzer(pi: any): Promise<void>;
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