import { Effect } from 'effect';
import { TemplateResolutionError } from './errors';
export declare const SECURITY_HEADER: string;
export declare const DEFAULT_ENV_ALLOWLIST: readonly ["NODE_ENV", "FRED_*", "LOG_LEVEL", "DEBUG", "TZ"];
export declare const filterEnvVars: (env: Record<string, string | undefined>, allowlist?: readonly string[]) => Record<string, string>;
export declare const checkOutputSize: (output: string, maxBytes: number, filePath?: string) => Effect.Effect<string, TemplateResolutionError>;
//# sourceMappingURL=security.d.ts.map