import type { PlanContext } from "../internals/plan.js";
import { type ProjectContract } from "./schema.js";
export type ContractFreshness = {
    status: "fresh";
    fields: string[];
} | {
    status: "stale";
    fields: string[];
} | {
    status: "deferred";
    fields: string[];
    trackedFiles: number;
};
export declare function contractStaleFields(committed: ProjectContract, fresh: ProjectContract): string[];
export declare function contractFreshness(ctx: PlanContext, contextDir: string, committed: ProjectContract): Promise<ContractFreshness>;
export declare function contractStaleDetail(contextDir: string, fields: readonly string[]): string;