import { SpecQuery } from './spec';
import { Nest, GroupBy } from './groupby';
import { QueryConfig } from '../config';
export interface Query {
    /**
     * **Specification** (`spec`) for describing a collection of queried visualizations. This `spec`'s
     * syntax follows a structure similar to [Vega-Lite](https://vega.github.io/vega-lite)'s single view
     * specification.  However, `spec` in CompassQL can have _wildcards_ (or _enumeration specifiers_)
     * to describe properties that can be enumerated.
     *
     * See the SpecQuery interface for more details.
     */
    spec: SpecQuery;
    /**
     * Methods for grouping queried visualization into groups.  This property is a shorthand for the
     * `nest` property with one level.
     */
    groupBy?: GroupBy;
    /**
     * Methods for grouping queried visualization into hierarchical groupings.
     */
    nest?: Nest[];
    /**
     * Method for ordering the list of visualization represented by this query (or the list of visualization
     * groups if `groupBy` or `nest` is specified.)
     */
    orderBy?: string | string[];
    /**
     * Method for ordering the top visualization represented by this query (or the top  visualization group
     * if `groupBy` or `nest` is specified.)
     */
    chooseBy?: string | string[];
    /**
     * Configuration for customizing query parameters.
     */
    config?: QueryConfig;
}