import { Source } from '.';
import { AnyExpression } from '../expressions';
import { Template } from '../template';
export declare type Query<T extends Record<string, AnyExpression> = any> = QuerySource<T> & T;
export declare class QuerySource<T extends Record<string, AnyExpression> = Record<string, AnyExpression>> implements Source<T> {
    $: QueryDefinition<T>;
    constructor(tmpl: Template, keys: string[], alias?: string, columns?: string[], cteAlias?: string, cteColumns?: string[]);
}
export declare class QueryDefinition<T extends Record<string, AnyExpression> = Record<string, AnyExpression>> extends Template implements Source<T> {
    $: this;
    expr: T;
    tmpl: Template;
    alias?: string;
    columns?: string[];
    cteAlias?: string;
    cteColumns?: string[];
    keys: (keyof T)[];
    constructor(tmpl: Template, keys: string[], alias?: string, columns?: string[], cteAlias?: string, cteColumns?: string[]);
    as(alias: string, columns?: (keyof T)[]): Query<T>;
    as<NT extends Record<string, AnyExpression>>(alias: string, columns?: (keyof NT)[]): Query<NT>;
    asCTE(cteAlias: string, cteColumns?: (keyof T)[]): Query<T>;
    asCTE<NT extends Record<string, AnyExpression>>(alias: string, columns?: (keyof NT)[]): Query<NT>;
    toQuery(start?: number): [string, any[]];
    toSource(): Template;
    all(): {
        [K in keyof T]: T[K];
    };
}