import type { Agent } from './installer.js';
export interface CompanionProject {
    root: string;
    targetUrl?: string;
    lastOpenedAt: string;
}
export interface CompanionState {
    version: 1 | 2;
    foundryVersion: string;
    agents: Agent[];
    projects: CompanionProject[];
    updatedAt: string;
}
export declare class CompanionStore {
    readonly path: string;
    constructor(home: string);
    read(): Promise<CompanionState>;
    recordInstallation(agents: Agent[]): Promise<CompanionState>;
    registerProject(root: string, targetUrl?: string): Promise<CompanionState>;
    unregisterProject(root: string): Promise<CompanionState>;
    removeInstallation(agents: Agent[]): Promise<CompanionState>;
    private write;
}
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