/**
 * GenAIScript supporting runtime
 * This module provides core functionality for text classification, data transformation,
 * PDF processing, and file system operations in the GenAIScript environment.
 */
import { delay, uniq, uniqBy, chunk, groupBy } from "es-toolkit";
import { z } from "zod";
/**
 * Utility functions exported for general use
 */
export { delay, uniq, uniqBy, z, chunk, groupBy };
/**
 * Options for classifying data using AI models.
 *
 * @property {boolean} [other] - Inject a 'other' label.
 * @property {boolean} [explanations] - Explain answers before returning token.
 * @property {ChatGenerationContext} [ctx] - Options runPrompt context.
 */
export type ClassifyOptions = {
    /**
     * When true, adds an 'other' category to handle cases that don't match defined labels
     */
    other?: boolean;
    /**
     * When true, provides explanatory text before the classification result
     */
    explanations?: boolean;
    /**
     * Context for running the classification prompt
     */
    ctx?: ChatGenerationContext;
} & Omit<PromptGeneratorOptions, "choices">;
/**
 * Classifies input text into predefined categories using AI.
 * Inspired by https://github.com/prefecthq/marvin.
 *
 * @param text - Text content to classify or a prompt generator function.
 * @param labels - Object mapping label names to their descriptions.
 * @param options - Configuration options for classification, including whether to add an "other" category, provide explanations, and specify context.
 * @returns Classification result containing the chosen label, confidence metrics, log probabilities, the full answer text, and usage statistics.
 * @throws Error if fewer than two labels are provided (including "other").
 */
export declare function classify<L extends Record<string, string>>(text: StringLike | PromptGenerator, labels: L, options?: ClassifyOptions): Promise<{
    label: keyof typeof labels | "other";
    entropy?: number;
    logprob?: number;
    probPercent?: number;
    answer: string;
    logprobs?: Record<keyof typeof labels | "other", Logprob>;
    usage?: RunPromptUsage;
}>;
/**
 * Enhances content generation by applying iterative improvements.
 *
 * @param options - Configuration for the improvement process.
 * @param options.ctx - Chat generation context to use. Defaults to the environment generator if not provided.
 * @param options.repeat - Number of improvement iterations to perform. Defaults to 1.
 * @param options.instructions - Custom instructions for improvement. Defaults to "Make it better!".
 */
export declare function makeItBetter(options?: {
    ctx?: ChatGenerationContext;
    repeat?: number;
    instructions?: string;
}): void;
/**
 * Converts unstructured text or data into structured JSON format.
 * Inspired by https://github.com/prefecthq/marvin.
 *
 * @param data - Input text or a prompt generator function to convert.
 * @param itemSchema - JSON schema defining the target data structure. If `multiple` is true, this will be treated as an array schema.
 * @param options - Configuration options for the conversion process, including context, instructions, label, and additional settings.
 * @returns An object containing the converted data, error information if applicable, and the raw text response.
 */
export declare function cast(data: StringLike | PromptGenerator, itemSchema: JSONSchema, options?: PromptGeneratorOptions & {
    multiple?: boolean;
    instructions?: string | PromptGenerator;
    ctx?: ChatGenerationContext;
}): Promise<{
    data?: unknown;
    error?: string;
    text: string;
}>;
/**
 * Converts a PDF file to markdown format with intelligent formatting preservation.
 *
 * @param file - PDF file to convert.
 * @param options - Configuration options for PDF processing and markdown conversion, including instructions, context, and additional settings. The options can include rendering images, providing custom instructions, and specifying the context for processing.
 * @returns An object containing the original pages, rendered images, and markdown content for each page.
 */
export declare function markdownifyPdf(file: WorkspaceFile, options?: PromptGeneratorOptions & Omit<ParsePDFOptions, "renderAsImage"> & {
    instructions?: string | PromptGenerator;
    ctx?: ChatGenerationContext;
}): Promise<{
    pages: string[];
    images: string[];
    markdowns: string[];
}>;
/**
 * Creates a tree representation of files in the workspace.
 *
 * @param glob - Glob pattern to match files.
 * @param options - Configuration options for tree generation.
 * @param options.query - Optional search query to filter files.
 * @param options.size - Whether to include file sizes in the output.
 * @param options.ignore - Patterns to exclude from the results.
 * @param options.frontmatter - Frontmatter fields to extract from markdown files. Only applies to markdown files.
 * @param options.preview - Custom function to generate file previews based on file and stats.
 * @returns A formatted string representing the file tree structure, including metadata and file sizes if specified.
 */
export declare function fileTree(glob: string, options?: WorkspaceGrepOptions & {
    query?: string | RegExp;
    size?: boolean;
    ignore?: ElementOrArray<string>;
    frontmatter?: OptionsOrString<"title" | "description" | "keywords" | "tags">[];
    preview?: (file: WorkspaceFile, stats: FileStats) => Awaitable<unknown>;
}): Promise<string>;
/**
 * Injects @mozilla/readability into a page to extract structured data from an article.
 * This function evaluates the page content using the Readability library to parse and extract details such as title, content, text, and metadata.
 *
 * @param page - The browser page instance to evaluate and extract content from.
 * @returns An object containing the parsed article details, including title, content, text content, length, excerpt, byline, direction, site name, language, and published time, or null if parsing fails.
 * @see https://github.com/mishushakov/llm-scraper/
 */
export declare function parseReadableContent<T = string>(page: BrowserPage): Promise<null | {
    /** article title */
    title: string | null | undefined;
    /** HTML string of processed article content */
    content: T | null | undefined;
    /** text content of the article, with all the HTML tags removed */
    textContent: string | null | undefined;
    /** length of an article, in characters */
    length: number | null | undefined;
    /** article description, or short excerpt from the content */
    excerpt: string | null | undefined;
    /** author metadata */
    byline: string | null | undefined;
    /** content direction */
    dir: string | null | undefined;
    /** name of the site */
    siteName: string | null | undefined;
    /** content language */
    lang: string | null | undefined;
    /** published time */
    publishedTime: string | null | undefined;
}>;