import { StateDatabase } from "./database.js";
type LeaseRow = {
    generation: number;
    ownerType: string | null;
    ownerId: string | null;
    tokenHash: Buffer | null;
    expiresAt: number | null;
};
export declare function isRecord(value: unknown): value is Record<string, unknown>;
export declare function isSequenceRow(value: unknown): value is {
    seq: number;
};
export declare function validTimestamp(value?: string): string;
export declare function epoch(value: string): number;
/** Shared connection, project, and revision operations; domain stores own their rows. */
export declare abstract class ProjectStore {
    readonly filePath: string;
    readonly state: StateDatabase;
    private readonly ownsState;
    protected readonly projectId: string | null;
    private closed;
    constructor(filePath?: string, options?: {
        readOnly?: boolean;
        projectPath?: string;
        state?: StateDatabase;
        /** Server-only global view. Project-scoped mutations still require projectPath. */
        global?: boolean;
    });
    close(): void;
    private ensureProject;
    private findProject;
    protected requireProjectId(): string;
    protected requireLease(resourceId: string): LeaseRow;
    protected resourceRevision(resourceId: string): number;
    protected bumpResource(resourceId: string, expectedRevision: number, now: number): void;
    protected insertEvent(resourceId: string, revision: number, type: string, actorType: string, actorId: string | null, payload: unknown, now: number, leaseGeneration?: number): string;
    protected assertWritable(): void;
}
export {};