/**
 * Environment utility functions
 *
 * Allows optional dotenv loading for SDK usage
 */
/**
 * Load environment variables from .env file (if not already loaded)
 * This is optional and only runs once
 */
export declare function loadEnvIfNeeded(): void;
/**
 * Get environment variable with optional default
 */
export declare function getEnv(key: string, defaultValue?: string): string | undefined;
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