import type { CallStep, FunctionInfo } from "./types.js";
export declare function extractFunctions(file: string, source: string): FunctionInfo[];
type CachedFunction = Omit<FunctionInfo, "file">;
export type ExtractionCache = Map<string, CachedFunction[]>;
export declare function extractCached(file: string, source: string, cache: ExtractionCache): FunctionInfo[];
export type FunctionIndex = Map<string, FunctionInfo>;
export declare function flattenCallKeys(steps: CallStep[]): string[];
/**
 * Every function recorded when the index was built (including duplicates that
 * lost the bare-key race). Indexes created as plain Maps fall back to values().
 */
export declare function allFunctions(index: FunctionIndex): FunctionInfo[];
export declare function buildIndex(functions: FunctionInfo[]): FunctionIndex;
export {};