import { Descriptor, DataType, Expression } from '../../state/index.js';
import { Action } from '../globalReducer.js';
export declare const reducer: (state: Descriptor, action: Action) => Descriptor;
export declare const addOutput: (outputId: string, params: {
    field: Expression | string;
    as: string;
    dataType?: DataType;
}) => Action;
export declare const removeOutput: (outputId: string) => Action;
export declare const setOutputId: (oldOutputId: string, newOutputId: string) => Action;
export declare const setOutputField: (outputId: string, field: Expression | string) => Action;
export declare const setOutputAs: (outputId: string, as: string) => Action;
export declare const setOutputDatatype: (outputId: string, dataType: DataType) => Action;
export declare const removeOutputDatatype: (outputId: string) => Action;
export declare const setOutputIndex: (outputId: string, index: number) => Action;
export declare const aggregateAttributeOutput: (outputId: string, aggregateFunction: string) => Action;
export declare const unaggregateAttributeOutput: (outputId: string) => Action;
export declare const updateAggregateAttributeOutput: (outputId: string, aggregateFunction: string) => Action;