import type { LineTransformer, Token, TokenLine, TokenTransformer } from './types';
/**
 * Focus transformer - dims all lines except focused ones
 */
export declare function createFocusTransformer(focusLines: number[]): {
  lineTransformer: LineTransformer
  tokenTransformer: TokenTransformer
};
/**
 * Diff transformer - adds +/- indicators for added/removed lines
 */
export declare function createDiffTransformer(addedLines: number[], removedLines: number[]): LineTransformer;
/**
 * Blur transformer - blurs specific tokens (e.g., for privacy)
 */
export declare function createBlurTransformer(shouldBlur: (token: Token) => boolean): TokenTransformer;
/**
 * Link transformer - converts URLs to clickable links
 */
export declare function createLinkTransformer(): TokenTransformer;
/**
 * Highlight specific tokens based on content
 */
export declare function createTokenHighlighter(shouldHighlight: (token: Token) => boolean, highlightColor?: string): TokenTransformer;
/**
 * Mark tokens as emphasized
 */
export declare function createEmphasisTransformer(shouldEmphasize: (token: Token) => boolean): TokenTransformer;
/**
 * Apply multiple transformers to tokens
 */
export declare function applyTokenTransformers(tokens: TokenLine[], transformers: TokenTransformer[]): TokenLine[];
/**
 * Apply line transformers to HTML
 */
export declare function applyLineTransformers(html: string, transformers: LineTransformer[]): string;