/** Enhanced-migration names recorded in a Version 4.0.0 `.most` chain block. */
export declare function parseMostAppliedMigrationNames(content: string): string[] | null;
export declare function migrationBasename(file: string): string;
/** Lexicographic max of applied migration names (matches chain file sort order). */
export declare function latestAppliedMigrationName(appliedNames: string[]): string;