import { DateAsTimestampWithTimeZone } from "@operativa/verse/conventions/database";
import { Driver, ExecuteResult, ExecuteStatement, IsolationLevel } from "@operativa/verse/db/driver";
import { SqlNode } from "@operativa/verse/db/sql";
import { Model } from "@operativa/verse/model/model";
import { Logger } from "@operativa/verse/utils/logging";
import { List } from "immutable";
export declare function postgres(connectionString: string): PostgresDriver;
export declare class PostgresDriver implements Driver, AsyncDisposable {
    #private;
    constructor(connectionString: string);
    validate(model: Model): void;
    get info(): {
        name: string;
        server: string;
        database: string;
    };
    set logger(logger: Logger | undefined);
    get conventions(): List<DateAsTimestampWithTimeZone>;
    rows(sql: SqlNode): (args: unknown[]) => AsyncGenerator<readonly unknown[], void, unknown>;
    execute(statements: readonly ExecuteStatement[], isolation?: IsolationLevel, onCommit?: (results: readonly ExecuteResult[]) => void): Promise<ExecuteResult[]>;
    script(statements: readonly ExecuteStatement[]): string[];
    exists(): Promise<boolean>;
    tableExists(name: string): Promise<boolean>;
    create(): Promise<void>;
    drop(): Promise<void>;
    [Symbol.asyncDispose](): Promise<void>;
}