/**
 * Label inference service implementation.
 *
 * Analyzes issue title and body content to suggest appropriate labels
 * based on conventional commit prefixes and content patterns.
 *
 * @see Issue #21: Auto-label issues based on content
 */
import type { ILabelInferenceService, ILabelInferenceResult, ILabelInferenceOptions, ILabelRule } from '../../domain/interfaces';
/**
 * Label inference service implementation.
 */
export declare class LabelInferenceService implements ILabelInferenceService {
    private readonly rules;
    constructor(customRules?: ILabelRule[]);
    /**
     * Analyze issue content and infer appropriate labels.
     */
    inferLabels(title: string, body: string, options?: ILabelInferenceOptions): ILabelInferenceResult;
    /**
     * Deduplicate matched rules, keeping the highest priority match for each label.
     */
    private deduplicateRules;
    /**
     * Calculate confidence score based on match types.
     */
    private calculateConfidence;
}
/**
 * Create a default label inference service.
 */
export declare function createLabelInferenceService(customRules?: ILabelRule[]): ILabelInferenceService;
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