import type { DatabaseConnection } from '../../driver/database-connection.js';
import type { AbortableOperationOptions } from '../../util/abort.js';
/**
 * Config for the PGlite dialect.
 */
export interface PGliteDialectConfig {
    /**
     * Called once when the first query is executed.
     *
     * This is a Kysely specific feature and does not come from the `@electric-sql/pglite`
     * module.
     */
    onCreateConnection?: (connection: DatabaseConnection, options?: AbortableOperationOptions) => Promise<void>;
    /**
     * A PGlite instance or a function that returns one.
     *
     * If a function is provided, it's called once when the first query is executed.
     *
     * https://pglite.dev/docs/api#main-constructor
     */
    pglite: PGlite | ((options?: AbortableOperationOptions) => PGlite | Promise<PGlite>);
}
/**
 * This interface is the subset of the PGlite instance that kysely needs.
 *
 * We don't use the type from `@electric-sql/pglite` here to not have a dependency
 * to it.
 *
 * https://pglite.dev/docs/api
 */
export interface PGlite {
    close(): Promise<void>;
    closed: boolean;
    query<T>(query: string, params?: any[], options?: PGliteQueryOptions): Promise<PGliteQueryResults<T>>;
    ready: boolean;
    transaction<T>(callback: (tx: PGliteTransaction) => Promise<T>): Promise<T>;
    waitReady: Promise<void>;
}
export interface PGliteQueryOptions {
    blob?: Blob | File;
    onNotice?: (notice: any) => void;
    paramTypes?: number[];
    parsers?: Record<number, (value: string) => any>;
    rowMode?: 'array' | 'object';
    serializers?: Record<number, (value: any) => string>;
}
export interface PGliteQueryResults<T> {
    affectedRows?: number;
    blob?: Blob;
    fields: {
        dataTypeID: number;
        name: string;
    }[];
    rows: T[];
}
export interface PGliteTransaction extends Pick<PGlite, 'query'> {
    rollback(): Promise<void>;
}