import type { InconsistentNamingWarning } from '../config/types.js';
/**
 * Detects inconsistent naming patterns in environment variable keys.
 * For example: API_KEY vs APIKEY, DATABASE_URL vs DATABASEURL, etc.
 * @param keys - Array of environment variable keys to analyze
 * @returns Array of inconsistent naming warnings
 */
export declare function detectInconsistentNaming(keys: string[]): InconsistentNamingWarning[];
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