export interface StoredEnvelope {
    schema: string;
    version: number;
    producer: string;
    updatedAt: number;
    [k: string]: unknown;
}
export type ConcernRead = {
    kind: "empty";
} | {
    kind: "ours";
    env: StoredEnvelope;
} | {
    kind: "foreign";
};
export declare function computeProjectId(cwd: string, homeDir: string): string | null;
export declare function projectsRoot(baseDir?: string): string;
export declare function readConcern(filePath: string, expectedSchema: string, currentVersion: number, migrate?: (e: StoredEnvelope) => StoredEnvelope): ConcernRead;
export declare function buildWriteEnvelope(existing: StoredEnvelope | null, schema: string, currentVersion: number, now: number, payload: Record<string, unknown>): StoredEnvelope;
export declare function writeConcernAtomic(filePath: string, env: StoredEnvelope): void;
export declare function getProducerVersion(): string;
export declare function realpathOrRaw(cwd: string): string;
//# sourceMappingURL=projectStore.d.ts.map