export type IdentifierMap = Record<string, string>;
export interface CollisionPair {
    legacyKeyA: string;
    legacyKeyB: string;
    quonfigKeyA: string;
    quonfigKeyB: string;
}
export declare class IdentifierMapCollisionError extends Error {
    collisions: CollisionPair[];
    constructor(collisions: CollisionPair[]);
}
export declare function detectCollisions(mapping: IdentifierMap): CollisionPair[];
export declare function writeIdentifierMap(outputDir: string, mapping: IdentifierMap): void;
export declare function readIdentifierMap(outputDir: string): IdentifierMap | null;