import type { BrowserEmbeddingRun, BrowserTextRun, EmbeddingResult, GenerationResult, TokenBatch } from './types.js';
/**
 * Create a browser text run with an exact coalescing token queue.
 */
export declare function createBrowserTextRun(options: {
    signal?: AbortSignal;
    emitTokens?: boolean;
}, responseFactory: (tokenBatchSink: ((batch: TokenBatch) => void) | undefined, signal: AbortSignal) => Promise<GenerationResult>): BrowserTextRun;
/**
 * Create a browser embedding run that owns cancellation for its response promise.
 */
export declare function createBrowserEmbeddingRun(signal: AbortSignal | undefined, responseFactory: (signal: AbortSignal) => Promise<EmbeddingResult>): BrowserEmbeddingRun;