import type { SippClientOptions } from '../../engine/browser-client.js';
import type { InternalBundleDescriptor, StagedModelBundle, StageModelBundleOptions } from '../../models/types.js';
import type { EngineModule } from '../../wasm/engine-module.js';
export declare class MainThreadModelLoader {
    private readonly config;
    private mountedShards;
    private mountedProjectorPath;
    constructor(config: SippClientOptions);
    cleanup(module: EngineModule): void;
    stageModelBundle(module: EngineModule, descriptor: InternalBundleDescriptor, options?: StageModelBundleOptions): Promise<StagedModelBundle>;
    private mountShards;
    private stageProjectorFile;
    private unmountAll;
    private ensureDir;
    private removeFileIfExists;
    private resolveMaxModelBytes;
}