/**
 * Enum for sorting either ASC or DESC.
 */
export declare enum SortDirection {
    ASC = "ASC",
    DESC = "DESC"
}
/**
 * Null sort option.
 */
export declare enum SortNulls {
    /**
     * All nulls will be first.
     */
    NULLS_FIRST = "NULLS FIRST",
    /**
     * All nulls will be last.
     */
    NULLS_LAST = "NULLS LAST"
}
/**
 * Interface to sort a field.
 *
 * Example use in a [[Query]]
 *
 * ```ts
 * // ORDER BY name DESC
 * const query: Query<Item> = {
 *   sorting: [{ field: 'name', direction: SortDirection.DESC }],
 * }
 * ```
 *
 * To sort on multiple fields
 *
 * ```ts
 * // ORDER BY name DESC, age ASC
 * const query: Query<Item> = {
 *   sorting: [
 *     { field: 'name', direction: SortDirection.DESC },
 *     { field: 'age', direction: SortDirection.ASC },
 *   ],
 * }
 * ```
 *
 * @typeparam T - the type of object to sort.
 */
export interface SortField<T> {
    /**
     * A field in type T to sort on.
     */
    field: keyof T;
    /**
     * The direction of the sort (ASC or DESC)
     */
    direction: SortDirection;
    /**
     * The order that nulls values should be sorted.
     */
    nulls?: SortNulls;
}