import { type NodeFileSystem } from './filesystem.js';
import type { InstallPlan, InstallRequest, PlanPathPrecondition } from './types.js';
export declare function calculatePlanDigest(plan: Omit<InstallPlan, 'planDigest' | 'transactionId'> | InstallPlan): string;
export declare function validateInstallPlan(value: unknown): InstallPlan;
export declare function capturePlanPreconditions(location: string, expected: ReadonlyMap<string, string | null>, filesystem: NodeFileSystem): Promise<readonly PlanPathPrecondition[]>;
export declare function createInstallPlan(request: InstallRequest, filesystem: NodeFileSystem, options?: {
    environment?: Readonly<NodeJS.ProcessEnv>;
}): Promise<InstallPlan>;