import type { AbstractSqlDialect } from '../dialect/index.js';
import type { ExtraOptions, IdValue, Query, QueryConflictPaths, QueryOptions, QuerySearch, QueryUpdateResult, SqlQuerier, Type, UpdatePayload } from '../type/index.js';
import { AbstractQuerier } from './abstractQuerier.js';
export declare abstract class AbstractSqlQuerier extends AbstractQuerier implements SqlQuerier {
    readonly dialect: AbstractSqlDialect;
    readonly extra?: ExtraOptions | undefined;
    private hasPendingTransaction?;
    constructor(dialect: AbstractSqlDialect, extra?: ExtraOptions | undefined);
    /**
     * internal read query.
     */
    protected abstract internalAll<T>(query: string, values?: unknown[]): Promise<T[]>;
    /**
     * internal insert/update/delete/ddl query.
     */
    protected abstract internalRun(query: string, values?: unknown[]): Promise<QueryUpdateResult>;
    /**
     * Hook for subclasses (e.g. pool queriers) to establish a connection.
     * Called before every query but outside the `@Log()` timer.
     */
    protected lazyConnect(): Promise<void>;
    all<T>(query: string, values?: unknown[]): Promise<T[]>;
    private timedAll;
    run(query: string, values?: unknown[]): Promise<QueryUpdateResult>;
    private timedRun;
    protected internalFindMany<E extends object>(entity: Type<E>, q: Query<E>): Promise<E[]>;
    protected internalCount<E extends object>(entity: Type<E>, q?: QuerySearch<E>): Promise<number>;
    internalInsertMany<E extends object>(entity: Type<E>, payload: E[]): Promise<IdValue<E>[]>;
    internalUpdateMany<E extends object>(entity: Type<E>, q: QuerySearch<E>, payload: UpdatePayload<E>): Promise<number>;
    upsertOne<E extends object>(entity: Type<E>, conflictPaths: QueryConflictPaths<E>, payload: E): Promise<QueryUpdateResult>;
    upsertMany<E extends object>(entity: Type<E>, conflictPaths: QueryConflictPaths<E>, payload: E[]): Promise<QueryUpdateResult>;
    protected internalDeleteMany<E extends object>(entity: Type<E>, q: QuerySearch<E>, opts?: QueryOptions): Promise<number>;
    get hasOpenTransaction(): boolean;
    beginTransaction(): Promise<void>;
    commitTransaction(): Promise<void>;
    rollbackTransaction(): Promise<void>;
}
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