/** @private */
export declare type Unsubscribe = () => void;
/** @private */
export declare type FieldsGetter = () => any[] | undefined;
/** @private */
export declare type FieldsCallback = (fields: any[]) => void;
/** @private */
export declare function updateQueryBuilderDataSource(getFields: FieldsGetter, onChange: FieldsCallback, options?: {
    pollMs?: number;
}): Unsubscribe;
export default updateQueryBuilderDataSource;