/**
 * Create a new query instance. The query interface provides
 * a table-like verb API to construct a query that can be
 * serialized or evaluated against Arquero tables.
 * @param {string} [tableName] The name of the table to query. If
 *  provided, will be used as the default input table to pull from
 *  a provided catalog to run the query against.
 * @return {Query} A new builder instance.
 */
export function query(tableName?: string): Query;
/**
 * Create a new query instance from a serialized object.
 * @param {object} object A serialized query representation, such as
 *  those generated by query(...).toObject().
 * @returns {Query} The instantiated query instance.
 */
export function queryFrom(object: object): Query;
export function addQueryVerb(name: any, verb: any): void;
/**
 * Model a query as a collection of serializble verbs.
 * Provides a table-like interface for constructing queries.
 */
export default class Query extends Transformable {
    /**
     * Create a new query instance from the given serialized object.
     * @param {QueryObject} object A serialized query representation, such as
     *  those generated by Query.toObject.
     * @returns {Query} The instantiated query.
     */
    static from({ verbs, table, params }: QueryObject): Query;
    /**
     * Construct a new query instance.
     * @param {Verb[]} verbs An array of verb instances.
     * @param {object} [params] Optional query parameters, corresponding
     *  to parameter references in table expressions.
     * @param {string} [table] Optional name of the table to query.
     */
    constructor(verbs: Verb[], params?: object, table?: string);
    _verbs: Verb[];
    _table: string;
    /**
     * Return the number of verbs in this query.
     */
    get length(): number;
    /**
     * Return the name of the table this query applies to.
     * @return {string} The name of the source table, or undefined.
     */
    get tableName(): string;
    /**
     * Get or set table expression parameter values.
     * If called with no arguments, returns the current parameter values
     * as an object. Otherwise, adds the provided parameters to this
     * query's parameter set and returns the table. Any prior parameters
     * with names matching the input parameters are overridden.
     * @param {object} values The parameter values.
     * @return {Query|object} The current parameter values (if called
     *  with no arguments) or this query.
     */
    params(values: object, ...args: any[]): Query | object;
    /**
     * Evaluate this query against a given table and catalog.
     * @param {Table} table The Arquero table to process.
     * @param {Function} catalog A table lookup function that accepts a table
     *  name string as input and returns a corresponding Arquero table.
     * @returns {Table} The resulting Arquero table.
     */
    evaluate(table: Table, catalog: Function): Table;
    /**
     * Serialize this query as a JSON-compatible object. The resulting
     * object can be passed to Query.from to re-instantiate this query.
     * @returns {object} A JSON-compatible object representing this query.
     */
    toObject(): object;
    /**
     * Serialize this query as a JSON-compatible object. The resulting
     * object can be passed to Query.from to re-instantiate this query.
     * This method simply returns the result of toObject, but is provided
     * as a separate method to allow later customization of JSON export.
     * @returns {object} A JSON-compatible object representing this query.
     */
    toJSON(): object;
    /**
     * Serialize this query to a JSON-compatible abstract syntax tree.
     * All table expressions will be parsed and represented as AST instances
     * using a modified form of the Mozilla JavaScript AST format.
     * This method can be used to output parsed and serialized representations
     * to translate Arquero queries to alternative data processing platforms.
     * @returns {object} A JSON-compatible abstract syntax tree object.
     */
    toAST(): object;
    /**
     * Provide an informative object string tag.
     */
    get [Symbol.toStringTag](): string;
}
/**
 * Serialized object representation of a query.
 */
export type QueryObject = {
    /**
     * An array of verb definitions.
     */
    verbs: object[];
    /**
     * An object of parameter values.
     */
    params?: object;
    /**
     * The name of the table to query.
     */
    table?: string;
};
import Transformable from '../table/transformable';
import { Verb } from './verb';