import type { PlanNode } from './node';
import type { PlanningStats, PlanningError } from './types';
import type { Operation } from 'mahler-wasm';
export type Plan<TState> = {
    /**
     * A plan was found
     */
    success: true;
    /**
     * The initial step in the plan. If the start
     * node is null, that means the plan is empty.
     */
    start: PlanNode<TState> | null;
    /**
     * The expected state at the end of the plan. This is
     * probably not useful for end users, but is useful to keep
     * track of intermediate steps in the planning process.
     */
    state: TState;
    /**
     * The changes that will be applied to the initial
     * state as part of the plan. We need this in order
     * to be able to merge the changes from parallel
     * operations
     */
    pendingChanges: Operation[];
    /**
     * The resulting stats of the planning process
     */
    stats: PlanningStats;
} | {
    /**
     * A plan could not be found
     */
    success: false;
    /**
     * The resulting stats of the planning process
     */
    stats: PlanningStats;
    /**
     * The error that caused the plan to fail
     */
    error: PlanningError;
};