import { type DbExec } from "./client.js";
type NitroPluginDef = (nitroApp: any) => void | Promise<void>;
export declare function isDuplicateColumnError(err: unknown): boolean;
/** True when the connected Postgres role cannot apply the migration. */
export declare function isPermissionError(err: unknown): boolean;
export declare function splitSqlStatements(sql: string): string[];
export interface RunMigrationsOptions {
    runInServerlessRequest?: boolean;
    table: string;
}
export type MigrationSql = string | {
    postgres?: string;
};
export declare const MIGRATION_DEFERRED: unique symbol;
export declare function deferMigration(): typeof MIGRATION_DEFERRED;
export type MigrationRunResult = void | typeof MIGRATION_DEFERRED;
export interface MigrationEntry {
    version: number;
    sql: MigrationSql;
    name?: string;
    run?: (exec: DbExec) => Promise<MigrationRunResult>;
}
export type MigrationSource = Array<MigrationEntry> | (() => Array<MigrationEntry> | Promise<Array<MigrationEntry>>);
export { withMigrationExecutionRuntime, withMigrationRuntime, } from "./migration-runtime.js";
export declare function runMigrations(migrationSource: MigrationSource, options: RunMigrationsOptions): NitroPluginDef;