import { Descriptor, FunctionExpression } from '../../state/index.js';
import { Action } from '../globalReducer.js';
export declare const reducer: (state: Descriptor, action: Action) => Descriptor;
export declare const addComputedField: (computedFieldId: string, expression: FunctionExpression | string) => Action;
export declare const removeComputedField: (computedFieldId: string) => Action;
export declare const setComputedFieldId: (oldComputedFieldId: string, newComputedFieldId: string) => Action;
export declare const setComputedFieldExpression: (computedFieldId: string, expression: FunctionExpression | string) => Action;
export declare const updateAggregateFunctionValue: (computedFieldId: string, functionValue: string) => Action;