/** Journal modes accepted by local SQLite connections. */
type LocalSqliteJournalMode = "wal" | "delete" | "truncate" | "persist" | "memory" | "off";
/** Synchronous levels accepted by local SQLite connections. */
type LocalSqliteSynchronousMode = "off" | "normal" | "full" | "extra";
/** Connection pragmas applied when TypeGraph opens a local SQLite database. */
type LocalSqlitePragmaOptions = Readonly<{
    /** `PRAGMA journal_mode`. Default: `"wal"` (no-op on `":memory:"`). */
    journalMode?: LocalSqliteJournalMode;
    /** `PRAGMA synchronous`. Default: `"normal"`. */
    synchronous?: LocalSqliteSynchronousMode;
    /** `PRAGMA busy_timeout`, in milliseconds. Default: `5000`. */
    busyTimeoutMs?: number;
    /**
     * `PRAGMA cache_size`, expressed as a negative KiB value. Positive values
     * mean pages in SQLite and are rejected to prevent accidental oversizing.
     */
    cacheSizeKib?: number | undefined;
    /** `PRAGMA mmap_size`, in non-negative bytes. */
    mmapSizeBytes?: number | undefined;
    /**
     * `PRAGMA wal_autocheckpoint`, in WAL pages. Use `0` to disable automatic
     * checkpoints and run them explicitly after controlled bulk loads.
     */
    walAutocheckpointPages?: number | undefined;
}>;
/** Defaults for TypeGraph-owned local SQLite connections. */
declare const DEFAULT_LOCAL_SQLITE_PRAGMAS: Required<LocalSqlitePragmaOptions>;

export { DEFAULT_LOCAL_SQLITE_PRAGMAS as D, type LocalSqlitePragmaOptions as L, type LocalSqliteJournalMode as a, type LocalSqliteSynchronousMode as b };