import type { PluginId } from '@zhin.js/plugin-runtime';
import type { PluginGraphNode, ProjectGraph } from './project-graph.js';
export interface FeatureMount {
    readonly owner: PluginId;
    readonly packageRoot: string;
}
export interface TopologyTransactionPlan {
    readonly addedPluginRoots: readonly PluginId[];
    readonly removedPluginRoots: readonly PluginId[];
    readonly replacedPluginRoots: readonly PluginId[];
    readonly addedFeatures: readonly FeatureMount[];
    readonly removedFeatures: readonly FeatureMount[];
    readonly reloadedFeaturePackages: ReadonlySet<string>;
    readonly treeChanged: boolean;
    readonly featureOrderChanged: boolean;
    readonly changed: boolean;
}
/** Compiles two resolved graphs into the smallest safe topology transaction. */
export declare class TopologyTransactionPlanner {
    plan(previous: ProjectGraph, next: ProjectGraph): TopologyTransactionPlan;
}
export declare function graphNodes(graph: ProjectGraph): ReadonlyMap<PluginId, PluginGraphNode>;
export declare function graphOrder(graph: ProjectGraph): readonly PluginId[];
export declare function featureMounts(graph: ProjectGraph): readonly FeatureMount[];
export declare function isWithin(plugin: PluginId, root: PluginId): boolean;
export declare function collapseRoots(values: readonly PluginId[]): readonly PluginId[];