import { TextStreamPart, ToolSet } from 'ai';
/**
 * Transform chunks like [**,bold,**] to [**bold**] make the md deserializer
 * happy.
 *
 * @experimental
 */
export declare const markdownJoinerTransform: <TOOLS extends ToolSet>() => () => TransformStream<TextStreamPart<TOOLS>, TextStreamPart<TOOLS>>;
export declare class MarkdownJoiner {
    private buffer;
    private documentCharacterCount;
    private isBuffering;
    private streamingCodeBlock;
    private streamingLargeDocument;
    private streamingTable;
    delayInMs: number;
    private clearBuffer;
    private isCompleteBold;
    private isCompleteCodeBlockEnd;
    private isCompleteCodeBlockStart;
    private isCompleteLink;
    private isCompleteList;
    private isCompleteMdxTag;
    private isCompleteTableStart;
    private isFalsePositive;
    private isLargeDocumentStart;
    private isListStartChar;
    private isTableExisted;
    flush(): string;
    processText(text: string): string;
}