import type { MigrationBlockConfig, MigrationDiff, MigrationProjectState, ResolvedMigrationBlockTarget } from './migration-types.js';
export declare function createMigrationDiff(state: MigrationProjectState, blockOrFromVersion: MigrationBlockConfig | ResolvedMigrationBlockTarget | string, fromVersionOrToVersion: string, maybeToVersion?: string): MigrationDiff;