import Database from 'better-sqlite3';
/**
 * Additive, nullable migration: record what shape an uploaded image is, so the
 * web client can reserve its box before the bytes arrive instead of growing into
 * it on decode. Safe to run repeatedly and on homes created before dimensions
 * were stored — those rows keep NULLs and fall back to a measured ratio.
 */
export declare function migrateFilesSchema(database: Database.Database): void;
//# sourceMappingURL=migrate-files.d.ts.map