import { type SyncResult } from "./sync.js";
import { type Message } from "./models.js";
import type { Config } from "./config.js";
export interface BackendInfo {
    id: string;
    name: string;
    supported: boolean;
    detected: boolean;
    sourcePath: string;
    status: "available" | "coming_soon" | "not_found";
    messageCount?: number;
    dateRange?: {
        first: string;
        last: string;
    };
}
export interface SkillDefinition {
    skillName: string;
    skillPath: string;
    invocationPattern: string;
    templateContent: string;
    /** 'discovered' = scanned from disk, 'config' = platform built-in */
    source?: "discovered" | "config";
}
export interface Backend {
    readonly id: string;
    readonly name: string;
    detect(): BackendInfo;
    sync(config: Config): SyncResult;
    parse(config: Config): Promise<Message[]>;
    /** Discover skills/agents/hooks installed for this platform. */
    discoverSkills?(): SkillDefinition[];
}
export declare function getAllBackends(): Backend[];
export declare function getBackend(id: string): Backend | undefined;
export declare function detectAll(): BackendInfo[];
export declare function resetBackendDetectionCacheForTests(): void;
/** Get backends that are enabled and have working parsers */
export declare function getEnabledBackends(config: Config): Backend[];