// Declaration companion generated from use-summarize.tsrx.
import type { StreamChunk, SummarizationResult } from '@tanstack/ai';
import type { AIDevtoolsDisplayOptions, ConnectConnectionAdapter, GenerationClientState, GenerationFetcher, InferGenerationOutputFromReturn, SummarizeGenerateInput } from '@tanstack/ai-client';
/**
 * Options for the useSummarize hook.
 *
 * @template TOutput - The output type after optional transform (defaults to SummarizationResult)
 */
export interface UseSummarizeOptions<TOutput = SummarizationResult> {
    /** Connect-based adapter for streaming transport (SSE, HTTP stream, custom) */
    connection?: ConnectConnectionAdapter;
    /** Direct async function for summarization */
    fetcher?: GenerationFetcher<SummarizeGenerateInput, SummarizationResult>;
    /** Unique identifier for this generation instance */
    id?: string;
    /** Additional body parameters to send with connect-based adapter requests */
    body?: Record<string, any>;
    /** Display options for TanStack AI Devtools. */
    devtools?: AIDevtoolsDisplayOptions;
    /**
     * Callback when summarization is complete. Can optionally return a transformed value.
     *
     * - Return a non-null value to transform and store it as the result
     * - Return `null` to keep the previous result unchanged
     * - Return nothing (`void`) to store the raw result as-is
     */
    onResult?: (result: SummarizationResult) => TOutput | null | void;
    /** Callback when an error occurs */
    onError?: (error: Error) => void;
    /** Callback when progress is reported (0-100) */
    onProgress?: (progress: number, message?: string) => void;
    /** Callback for each stream chunk (connect-based adapter mode only) */
    onChunk?: (chunk: StreamChunk) => void;
}
/**
 * Return type for the useSummarize hook.
 *
 * @template TOutput - The output type (after optional transform)
 */
export interface UseSummarizeReturn<TOutput = SummarizationResult> {
    /** Trigger summarization */
    generate: (input: SummarizeGenerateInput) => Promise<void>;
    /** The summarization result, or null */
    result: TOutput | null;
    /** Whether summarization is in progress */
    isLoading: boolean;
    /** Current error, if any */
    error: Error | undefined;
    /** Current state of the generation */
    status: GenerationClientState;
    /** Abort the current summarization */
    stop: () => void;
    /** Clear result, error, and return to idle */
    reset: () => void;
}
/**
 * Octane hook for summarizing text using AI models.
 *
 * @example
 * ```tsx
 * import { useSummarize } from '@octanejs/tanstack-ai'
 * import { fetchServerSentEvents } from '@tanstack/ai-client'
 *
 * function Summarizer() {
 *   const { generate, result, isLoading } = useSummarize({
 *     connection: fetchServerSentEvents('/api/summarize'),
 *   })
 *
 *   return (
 *     <div>
 *       <button onClick={() => generate({
 *         text: 'Long article text...',
 *         style: 'bullet-points',
 *         maxLength: 200,
 *       })}>
 *         Summarize
 *       </button>
 *       {isLoading && <p>Summarizing...</p>}
 *       {result && <p>{result.summary}</p>}
 *     </div>
 *   )
 * }
 * ```
 */
export declare function useSummarize<TTransformed = void>(options: Omit<UseSummarizeOptions, 'onResult'> & {
    onResult?: (result: SummarizationResult) => TTransformed;
}): UseSummarizeReturn<InferGenerationOutputFromReturn<SummarizationResult, TTransformed>>;