import type { PGlite } from '@electric-sql/pglite';
export interface PostgresRdfSqlExecutor {
    query<T = Record<string, unknown>>(sql: string, params?: unknown[]): Promise<T[]>;
    exec(sql: string, params?: unknown[]): Promise<void>;
    transaction<T>(fn: (tx: PostgresRdfSqlExecutor) => Promise<T>): Promise<T>;
    close(): Promise<void>;
}
export declare class PgliteRdfSqlExecutor implements PostgresRdfSqlExecutor {
    private readonly db;
    constructor(db: PGlite);
    query<T = Record<string, unknown>>(sql: string, params?: unknown[]): Promise<T[]>;
    exec(sql: string, params?: unknown[]): Promise<void>;
    transaction<T>(fn: (tx: PostgresRdfSqlExecutor) => Promise<T>): Promise<T>;
    close(): Promise<void>;
}
export declare class PgPoolRdfSqlExecutor implements PostgresRdfSqlExecutor {
    private readonly pool;
    private readonly client?;
    constructor(pool: any, client?: any);
    query<T = Record<string, unknown>>(sql: string, params?: unknown[]): Promise<T[]>;
    exec(sql: string, params?: unknown[]): Promise<void>;
    transaction<T>(fn: (tx: PostgresRdfSqlExecutor) => Promise<T>): Promise<T>;
    close(): Promise<void>;
}