import { Vertex } from './vertex';
import type { UnionValue } from '../../../treb-base-types/src/index';
export interface CalculationResult {
    value: UnionValue;
    volatile?: boolean;
}
/**
 * this is a subset of Graph so we can avoid the circular dependency.
 */
export interface GraphCallbacks {
    CalculationCallback: (vertex: SpreadsheetVertexBase) => CalculationResult;
    SpreadCallback: (vertex: SpreadsheetVertexBase, value: UnionValue) => void;
    SpillCallback: (vertex: SpreadsheetVertexBase, value: UnionValue) => Vertex[] | void;
    volatile_list: SpreadsheetVertexBase[];
    calculation_list: SpreadsheetVertexBase[];
}
export declare abstract class SpreadsheetVertexBase extends Vertex {
    dirty: boolean;
    abstract Calculate(graph: GraphCallbacks): void;
}