import type { FixturesOptions, FuzzOptions } from './migration-command-surface.js';
/**
 * Generate or refresh migration fixtures for one or more legacy edges.
 *
 * @param projectDir Absolute or relative project directory containing the migration workspace.
 * @param options Fixture generation scope and refresh options.
 * @returns Generated and skipped legacy versions.
 */
export declare function fixturesProjectMigrations(projectDir: string, { all, confirmOverwrite, force, fromMigrationVersion, isInteractive, renderLine, toMigrationVersion }?: FixturesOptions): {
    generatedVersions: string[];
    skippedVersions: string[];
};
/**
 * Run seeded migration fuzz verification against generated fuzz artifacts.
 *
 * @param projectDir Absolute or relative project directory containing the migration workspace.
 * @param options Fuzz scope, iteration count, seed, and console rendering options.
 * @returns Fuzzed legacy versions and the effective seed.
 */
export declare function fuzzProjectMigrations(projectDir: string, { all, fromMigrationVersion, iterations, renderLine, seed }?: FuzzOptions): {
    fuzzedVersions: string[];
    seed: number | undefined;
};