import { WordCountStats, WritingSpeedStats, WritingSession, HandwritingTimerOptions } from './utils';
import { FileOptions, FileResult } from './cli/fileUtils';
/**
 * Analysis result for a file
 */
export interface AnalysisResult extends FileResult {
    stats?: WordCountStats;
    frequentWords?: [string, number][];
    readabilityScore?: number;
}
/**
 * Word Counter class for analyzing text
 */
export declare class WordCounter {
    private text;
    private stats;
    private wordsPerMinute;
    private handwritingWpm;
    private keyboardWpm;
    private handwritingTimer;
    /**
     * Create a new WordCounter instance
     *
     * @param text - Initial text to analyze
     * @param wordsPerMinute - Reading speed in words per minute
     * @param handwritingWpm - Handwriting speed in words per minute
     * @param keyboardWpm - Keyboard typing speed in words per minute
     * @param timerOptions - Options for the handwriting timer
     */
    constructor(text?: string, wordsPerMinute?: number, handwritingWpm?: number, keyboardWpm?: number, timerOptions?: HandwritingTimerOptions);
    /**
     * Set text to analyze
     *
     * @param text - The text to analyze
     */
    setText(text: string): void;
    /**
     * Get the current text
     *
     * @returns The current text
     */
    getText(): string;
    /**
     * Set reading speed
     *
     * @param wordsPerMinute - Reading speed in words per minute
     */
    setReadingSpeed(wordsPerMinute: number): void;
    /**
     * Get reading speed
     *
     * @returns Reading speed in words per minute
     */
    getReadingSpeed(): number;
    /**
     * Get all text statistics
     *
     * @returns Word count statistics
     */
    getStats(): WordCountStats;
    /**
     * Get character count
     *
     * @returns Total number of characters
     */
    getCharacterCount(): number;
    /**
     * Get character count excluding spaces
     *
     * @returns Number of characters excluding spaces
     */
    getCharacterCountNoSpaces(): number;
    /**
     * Get word count
     *
     * @returns Number of words
     */
    getWordCount(): number;
    /**
     * Get sentence count
     *
     * @returns Number of sentences
     */
    getSentenceCount(): number;
    /**
     * Get paragraph count
     *
     * @returns Number of paragraphs
     */
    getParagraphCount(): number;
    /**
     * Get estimated reading time
     *
     * @returns Reading time as a formatted string
     */
    getReadingTime(): string;
    /**
     * Get estimated handwriting time
     *
     * @returns Handwriting time as a formatted string
     */
    getHandwritingTime(): string;
    /**
     * Get estimated keyboard typing time
     *
     * @returns Keyboard typing time as a formatted string
     */
    getKeyboardTime(): string;
    /**
     * Set handwriting speed
     *
     * @param wordsPerMinute - Handwriting speed in words per minute
     */
    setHandwritingSpeed(wordsPerMinute: number): void;
    /**
     * Get handwriting speed
     *
     * @returns Handwriting speed in words per minute
     */
    getHandwritingSpeed(): number;
    /**
     * Set keyboard typing speed
     *
     * @param wordsPerMinute - Keyboard typing speed in words per minute
     */
    setKeyboardSpeed(wordsPerMinute: number): void;
    /**
     * Get keyboard typing speed
     *
     * @returns Keyboard typing speed in words per minute
     */
    getKeyboardSpeed(): number;
    /**
     * Calculate all text statistics
     *
     * @returns Word count statistics
     */
    private calculateStats;
    /**
     * Format time value in minutes to a human-readable string
     *
     * @param minutes - Time in minutes
     * @returns Formatted time string
     */
    private formatTimeValue;
    /**
     * Estimate handwriting time using a more realistic algorithm
     *
     * @param words - Number of words
     * @param characters - Number of characters
     * @returns Formatted time estimate
     */
    private estimateHandwritingTime;
    /**
     * Get the frequency of each word in the text
     *
     * @returns Object with words as keys and their frequencies as values
     */
    getWordFrequency(): Record<string, number>;
    /**
     * Get the most frequent words in the text
     *
     * @param limit - Maximum number of words to return
     * @returns Array of [word, frequency] pairs sorted by frequency
     */
    getMostFrequentWords(limit?: number): [string, number][];
    /**
     * Calculate the readability score (Flesch Reading Ease)
     * Higher scores indicate easier readability (90-100: Very easy, 0-30: Very difficult)
     *
     * @returns Readability score between 0 and 100
     */
    getReadabilityScore(): number;
    /**
     * Count the approximate number of syllables in the text
     *
     * @returns Estimated syllable count
     */
    private countSyllables;
    /**
     * Start a writing session timer
     */
    startWritingSession(): void;
    /**
     * Pause the writing session timer
     */
    pauseWritingSession(): void;
    /**
     * Stop the writing session timer
     */
    stopWritingSession(): void;
    /**
     * Reset the writing session timer
     */
    resetWritingSession(): void;
    /**
     * Update text and take a snapshot for the timer
     *
     * @param text - The new text
     */
    updateText(text: string): void;
    /**
     * Get the current writing speed
     *
     * @returns Writing speed statistics
     */
    getWritingSpeed(): WritingSpeedStats;
    /**
     * Get the writing session history
     *
     * @returns Array of writing sessions
     */
    getWritingSessionHistory(): WritingSession[];
    /**
     * Get the elapsed time of the current writing session
     *
     * @returns Elapsed time in milliseconds
     */
    getElapsedTime(): number;
    /**
     * Get formatted elapsed time of the current writing session
     *
     * @returns Formatted time string (HH:MM:SS)
     */
    getFormattedElapsedTime(): string;
    /**
     * Check if the writing timer is running
     *
     * @returns True if timer is running
     */
    isTimerRunning(): boolean;
    /**
     * Set a callback function for timer tick events
     *
     * @param callback - Function to call on each tick
     */
    onTimerTick(callback: (elapsedTime: number) => void): void;
    /**
     * Analyze multiple files
     *
     * @param patterns - Glob patterns to match files
     * @param options - File options
     * @returns Results of the analysis
     */
    analyzeFiles(patterns: string | string[], options?: FileOptions): Promise<AnalysisResult[]>;
}