/**
 * Spec Validator
 *
 * Validates spec completeness before starting a coding loop.
 * Checks for required sections, RFC 2119 keywords, and acceptance criteria.
 */
export type SpecWarning = {
    level: 'error' | 'warning' | 'info';
    message: string;
};
export type SpecValidationResult = {
    valid: boolean;
    score: number;
    warnings: SpecWarning[];
};
/**
 * Validate a spec's completeness and quality.
 * Returns a result with a completeness score and any warnings.
 */
export declare function validateSpec(content: string): SpecValidationResult;
/**
 * Format validation result for CLI output.
 */
export declare function formatValidationResult(result: SpecValidationResult): string;
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