import type { PipelineContext } from '../types.js';
export declare function buildFunctionIndex(ctx: PipelineContext): {
    byFilePath: Map<string, Map<string, string[]>>;
    nameCounts: Map<string, number>;
};
/** A callable node with a known line range, used to attribute a call to its caller. */
export interface EnclosingSymbol {
    id: string;
    startLine: number;
    endLine: number;
}
/**
 * Line ranges of every callable, grouped by file, innermost-first.
 *
 * Call edges are attributed to the enclosing function rather than the file.
 * Attributing them to the file makes a function appear "used" by its own file
 * purely because it is declared there, which silently disabled dead-export
 * detection: `detectDeadCodeNodes` rejects any candidate with an inbound CALLS
 * edge, and that self-edge always existed.
 */
export declare function buildEnclosingIndex(ctx: PipelineContext): Map<string, EnclosingSymbol[]>;
/** Line-start offsets, for turning a match offset into a 1-based line number. */
export declare function buildLineOffsets(source: string): number[];
export declare function lineAtOffset(lineOffsets: number[], offset: number): number;
/**
 * The innermost callable containing `offset`, or null when the call sits at
 * module top level — which is genuinely file-scoped, so the file node stays
 * the correct source for those.
 */
export declare function findEnclosingSymbolId(enclosing: EnclosingSymbol[] | undefined, lineOffsets: number[], offset: number | undefined): string | null;
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