import type { Coordinator } from './Coordinator.js';
import type { Selection } from './Selection.js';
import type { FilterExpr } from '@uwdata/mosaic-sql';
import { type ClientQuery, MosaicClient } from './MosaicClient.js';
export interface MakeClientOptions {
    /** Mosaic coordinator. Defaults to the global coordinator. */
    coordinator?: Coordinator;
    /** A selection whose predicates are fed into the query function to produce the SQL query. */
    selection?: Selection;
    /** A flag (default `true`) indicating if the client should initially be enabled or not. */
    enabled?: boolean;
    /** A flag (default `true`) indicating if client queries can be sped up using pre-aggregated data.
     * Should be set to `false` if filtering changes the groupby domain of the query. */
    filterStable?: boolean;
    /** An async function to prepare the client before running queries. */
    prepare?: () => Promise<void>;
    /** A function that returns a query from a list of selection predicates. */
    query?: (filter: FilterExpr) => ClientQuery;
    /** Called by the coordinator to return a query result. */
    queryResult?: (data: unknown) => void;
    /** Called by the coordinator to inform the client that a query is pending. */
    queryPending?: () => void;
    /** Called by the coordinator to report a query execution error. */
    queryError?: (error: Error) => void;
}
/**
 * Make a new client with the given options, and connect the client to the
 * provided coordinator.
 * @param options The options for making the client.
 * @returns The resulting client.
 */
export declare function makeClient(options: MakeClientOptions): MosaicClient;
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