import { SelectQueryBuilder } from 'typeorm';
import { ColumnMetadata } from 'typeorm/metadata/ColumnMetadata';
type Join<K, P> = K extends string ? P extends string ? `${K}${'' extends P ? '' : '.'}${P | `(${P}` | `${P})`}` : never : never;
type Prev = [never, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ...0[]];
type UnwrapPromise<T> = T extends Promise<infer U> ? UnwrapPromise<U> : T;
type UnwrapArray<T> = T extends Array<infer U> ? UnwrapArray<U> : T;
export type Column<T, D extends number = 2> = [D] extends [never] ? never : T extends Record<string, any> ? {
    [K in keyof T]-?: K extends string ? T[K] extends Date ? `${K}` : T[K] extends Array<infer U> ? `${K}` | Join<K, Column<UnwrapArray<U>, Prev[D]>> : T[K] extends Promise<infer U> ? U extends Array<infer V> ? `${K}` | Join<K, Column<UnwrapArray<V>, Prev[D]>> : `${K}` | Join<K, Column<UnwrapPromise<U>, Prev[D]>> : `${K}` | Join<K, Column<T[K], Prev[D]>> : never;
}[Extract<keyof T, string>] : '';
export type RelationColumn<T> = Extract<Column<T>, {
    [K in Column<T>]: K extends `${infer R}.${string}` ? R : never;
}[Column<T>]>;
export type Order<T> = [Column<T>, 'ASC' | 'DESC'];
export type SortBy<T> = Order<T>[];
export declare function isEntityKey<T>(entityColumns: Column<T>[], column: string): column is Column<T>;
export declare const positiveNumberOrDefault: (value: number | undefined, defaultValue: number, minValue?: 0 | 1) => number;
export type ColumnProperties = {
    propertyPath?: string;
    propertyName: string;
    isNested: boolean;
    column: string;
};
export declare function getPropertiesByColumnName(column: string): ColumnProperties;
export declare function extractVirtualProperty(qb: SelectQueryBuilder<unknown>, columnProperties: ColumnProperties): {
    isVirtualProperty: boolean;
    query?: ColumnMetadata['query'];
};
export declare function includesAllPrimaryKeyColumns(qb: SelectQueryBuilder<unknown>, propertyPath: string[]): boolean;
export declare function hasColumnWithPropertyPath(qb: SelectQueryBuilder<unknown>, columnProperties: ColumnProperties): boolean;
export declare function checkIsRelation(qb: SelectQueryBuilder<unknown>, propertyPath: string): boolean;
export declare function checkIsEmbedded(qb: SelectQueryBuilder<unknown>, propertyPath: string): boolean;
export declare function checkIsArray(qb: SelectQueryBuilder<unknown>, propertyName: string): boolean;
export declare function fixColumnAlias(properties: ColumnProperties, alias: string, isRelation?: boolean, isVirtualProperty?: boolean, isEmbedded?: boolean, query?: ColumnMetadata['query']): string;
export declare function getQueryUrlComponents(path: string): {
    queryOrigin: string;
    queryPath: string;
};
export declare function isISODate(str: string): boolean;
export {};