/**
 * Ambiguity Detector
 * Detects vague and ambiguous language in requirements
 */
export interface AmbiguityIssue {
    type: AmbiguityType;
    text: string;
    suggestion: string;
    severity: 'critical' | 'major' | 'minor';
    line?: number;
    context?: string;
}
export type AmbiguityType = 'vague_adjective' | 'vague_adverb' | 'passive_voice' | 'missing_quantity' | 'escape_clause' | 'open_ended' | 'subjective_term';
export declare class AmbiguityDetector {
    private patterns;
    constructor(language?: 'vi' | 'en' | 'both');
    /**
     * Analyze a single requirement for ambiguity
     */
    analyzeRequirement(text: string, lineNumber?: number): AmbiguityIssue[];
    /**
     * Analyze multiple requirements
     */
    analyzeRequirements(requirements: string[]): Map<number, AmbiguityIssue[]>;
    /**
     * Get surrounding context for a match
     */
    private getContext;
    /**
     * Get statistics about ambiguity issues
     */
    getStatistics(issues: AmbiguityIssue[]): {
        total: number;
        bySeverity: Record<string, number>;
        byType: Record<string, number>;
    };
}