/**
 * JavaScript primitive types
 */
export declare type Primitive = void | undefined | null | boolean | number | string | bigint | symbol;
/**
 * Keep only the primitive properties of an object type
 */
export declare type OnlyPrimitiveProps<E extends object> = Pick<E, {
    [Prop in keyof E]: E[Prop] extends Primitive ? Prop : never;
}[keyof E]>;
/**
 * Remove the ID property from an object type
 */
export declare type WithoutID<E extends object> = Omit<E, 'id'>;
/**
 * Keep only the primitive properties of an entity object, ID excluded
 */
export declare type EntityPrimDTO<E extends object> = OnlyPrimitiveProps<WithoutID<E>>;
/**
 * Keep only the primitive properties of an entity object and convert its relations to arrays of identifiers
 */
export declare type EntityDTO<E extends object> = {
    [Prop in keyof EntityPrimDTO<E>]: EntityPrimDTO<E>[Prop] extends Array<{
        id: string;
    }> ? string[] : EntityPrimDTO<E>[Prop];
};
/**
 * Get the default sort DTO for a given entity
 */
export declare type SortEntityDTO<E extends object> = {
    [K in keyof OnlyPrimitiveProps<E>]: 'ASC' | 'DESC' | 1 | -1;
};