/**
 * Validation framework for LeanSpec specs
 *
 * Provides a plugin architecture for adding validation rules.
 * Each validator checks specific aspects of specs and returns results.
 */
import type { SpecInfo } from '../types/index.js';
/**
 * Result of a single validation check
 */
export interface ValidationError {
    message: string;
    suggestion?: string;
}
export interface ValidationWarning {
    message: string;
    suggestion?: string;
}
export interface ValidationResult {
    passed: boolean;
    errors: ValidationError[];
    warnings: ValidationWarning[];
}
/**
 * A validation rule that can be registered with the framework
 */
export interface ValidationRule {
    name: string;
    description: string;
    validate(spec: SpecInfo, content: string): ValidationResult | Promise<ValidationResult>;
}
/**
 * Registry for validation rules
 */
export declare class ValidationRegistry {
    private rules;
    /**
     * Register a new validation rule
     */
    registerRule(rule: ValidationRule): void;
    /**
     * Get a specific rule by name
     */
    getRule(name: string): ValidationRule | undefined;
    /**
     * Get all registered rules
     */
    getAllRules(): ValidationRule[];
    /**
     * Get all rule names
     */
    getRuleNames(): string[];
    /**
     * Check if a rule is registered
     */
    hasRule(name: string): boolean;
}
/**
 * Global registry instance
 */
export declare const validationRegistry: ValidationRegistry;
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