/**
 * Human-likeness and emotional analysis metrics
 */
export declare function calculateHumanLikenessIndicators(text: string): number;
export declare function calculateEmotionalToneVariability(text: string): number;
export declare function calculateInformalnessScore(text: string): number;
export declare function calculateDiscourseMarkerPatterns(words: string[]): number;
export declare function calculateFunctionWordAnalysis(words: string[]): number;