import type { Document } from '../../bson';
import type { ReadPreferenceLike } from '../../read_preference';
import { ReadPreference } from '../../read_preference';
import type { Server } from '../../sdam/server';
import type { Topology } from '../../sdam/topology';
import type { OpQueryOptions } from '../commands';
import type { CommandOptions, Connection } from '../connection';
export interface ReadPreferenceOption {
    readPreference?: ReadPreferenceLike;
}
export declare function getReadPreference(cmd: Document, options?: ReadPreferenceOption): ReadPreference;
export declare function applyCommonQueryOptions(queryOptions: OpQueryOptions, options: CommandOptions): CommandOptions;
export declare function isSharded(topologyOrServer?: Topology | Server | Connection): boolean;
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