import { Descriptor, FunctionExpression } from '../../state/index.js';
export declare function reducerAddComputedField(state: Descriptor, computedFieldId: string, expression: FunctionExpression | string): Descriptor;
export declare function reducerRemoveComputedField(state: Descriptor, computedFieldId: string): Descriptor;
export declare function reducerSetComputedFieldId(state: Descriptor, oldComputedFieldId: string, newComputedFieldId: string): Descriptor;
export declare function reducerSetComputedFieldExpression(state: Descriptor, computedFieldId: string, expression: FunctionExpression | string): Descriptor;
export declare function reducerUpdateAggregateFunctionValue(state: Descriptor, computedFieldId: string, functionValue: string): Descriptor;