import { TextLoader } from "langchain/document_loaders/fs/text";
/**
 * A class that extends the `TextLoader` class. It represents a document
 * loader that loads documents from SRT (SubRip) subtitle files. It has a
 * constructor that takes a `filePathOrBlob` parameter representing the
 * path to the SRT file or a `Blob` object. The `parse()` method is
 * implemented to parse the SRT file and extract the text content of each
 * subtitle.
 * @example
 * ```typescript
 * const loader = new SRTLoader("path/to/file.srt");
 * const docs = await loader.load();
 * console.log({ docs });
 * ```
 */
export declare class SRTLoader extends TextLoader {
    constructor(filePathOrBlob: string | Blob);
    /**
     * A protected method that takes a `raw` string as a parameter and returns
     * a promise that resolves to an array of strings. It parses the raw SRT
     * string using the `SRTParser2` class from the `srt-parser-2` module. It
     * retrieves the subtitle objects from the parsed SRT data and extracts
     * the text content from each subtitle object. It filters out any empty
     * text content and joins the non-empty text content with a space
     * separator.
     * @param raw The raw SRT string to be parsed.
     * @returns A promise that resolves to an array of strings representing the text content of each subtitle.
     */
    protected parse(raw: string): Promise<string[]>;
}