import type { SqliteDatabase } from './adapter.js';
export interface MigrationResult {
    applied: number[];
    currentVersion: number;
}
export interface MigrationPlan {
    readonly applied: readonly number[];
    readonly pending: readonly number[];
    readonly databaseVersion: number;
    readonly currentVersion: number;
    readonly migrations: readonly MigrationSource[];
}
export interface MigrationIdentity {
    readonly version: number;
    readonly name: string;
}
export interface MigrationSource extends MigrationIdentity {
    readonly checksum: string;
    readonly sql: string;
}
export interface MigrationSnapshot {
    readonly migrations: readonly MigrationSource[];
}
export interface MigrationHooks {
    /**
     * Runs after a pending migration's SQL and before its schema marker is
     * written. The hook is inside the same SQLite transaction as both steps.
     */
    readonly beforeMarkApplied?: (database: SqliteDatabase, migration: MigrationIdentity) => void;
}
export declare function defaultMigrationsDirectory(): string;
export declare function loadMigrationSnapshot(directory?: string): MigrationSnapshot;
export declare function inspectMigrationSnapshot(database: SqliteDatabase, snapshot: MigrationSnapshot): MigrationPlan;
/** Apply an already-loaded migration snapshot inside a transaction owned by the caller. */
export declare function migrateDatabaseSnapshotInTransaction(database: SqliteDatabase, snapshot: MigrationSnapshot, hooks?: MigrationHooks): MigrationResult;
export declare function migrateDatabase(database: SqliteDatabase, directory?: string, hooks?: MigrationHooks): MigrationResult;
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