/**
 * Sentence Construction Analysis
 *
 * Calculates the effort required to construct test sentences
 * from the AAC board set, including spelling fallback for missing words.
 */
import { MetricsResult } from './types';
export interface SentenceAnalysis {
    sentence: string;
    words: string[];
    effort: number;
    total_effort: number;
    typing: boolean;
    missing_words: string[];
    word_efforts: Array<{
        word: string;
        effort: number;
        typed: boolean;
    }>;
}
export declare class SentenceAnalyzer {
    /**
     * Analyze effort to construct a set of test sentences
     */
    analyzeSentences(metrics: MetricsResult, sentences: string[][]): SentenceAnalysis[];
    /**
     * Analyze effort to construct a single sentence
     */
    analyzeSentence(metrics: MetricsResult, words: string[]): SentenceAnalysis;
    /**
     * Reconstruct sentence from word array
     */
    private reconstructSentence;
    /**
     * Calculate statistics across all sentences
     */
    calculateStatistics(analyses: SentenceAnalysis[]): {
        total_sentences: number;
        sentences_requiring_typing: number;
        sentences_without_typing: number;
        average_effort: number;
        min_effort: number;
        max_effort: number;
        median_effort: number;
        total_words: number;
        words_requiring_typing: number;
        typing_percent: number;
    };
}