/**
 * Location mapping helpers for compile-mel-patch synthetic wrapper diagnostics.
 */
import type { Diagnostic } from "../diagnostics/types.js";
export declare const SYNTHETIC_PATCH_PREFIX_LINES = 3;
export declare const SYNTHETIC_PATCH_PREFIX_COLUMNS = 6;
export declare function computeLineStartOffsets(lines: string[]): number[];
export declare function makePatchLocationMapper(patchLines: string[], patchLineStarts: number[]): (location: Diagnostic["location"]) => Diagnostic["location"];
export declare function remapDiagnosticsToPatchSource(diagnostics: Diagnostic[], patchLines: string[], patchLineStarts: number[]): Diagnostic[];