import type { FigmaClient } from "../figma/client.js";
import type { ResolvedIconsConfig, ResolvedSourceConfig } from "../types/config.js";
import type { SourceSnapshot } from "./types.js";
export interface SourceRouterOptions {
    allowFallbackRest?: boolean;
    onProgress?: (message: string) => void;
    expectedItemCount?: number;
    forceRefresh?: boolean;
}
export declare class SourceRouter {
    private readonly figmaClient;
    private readonly bridgeClient;
    private readonly mcpAdapter;
    private readonly restSnapshotCache;
    constructor(figmaClient: FigmaClient, config: ResolvedIconsConfig);
    loadSource(source: ResolvedSourceConfig, options?: SourceRouterOptions): Promise<SourceSnapshot>;
    private loadRestSource;
    private loadRestSnapshot;
    private withHeartbeat;
    private buildEstimateText;
}