export interface EnvConfig {
    path?: string;
    publicPrefix?: string;
    required?: string[];
    sensitivePatterns?: RegExp[];
}
export interface LoadedEnv {
    all: Record<string, string>;
    public: Record<string, string>;
    private: Record<string, string>;
}
export declare function loadEnv(config?: EnvConfig): LoadedEnv;
export declare function getEnv(key: string, defaultValue?: string): string;
export declare function requireEnv(key: string): string;
export declare function isPublicEnv(key: string, prefix?: string): boolean;
export declare function validateNoSecretsInBundle(code: string): {
    safe: boolean;
    leaked: string[];
};
export declare const ENV_PUBLIC_PREFIX = "PLEXUS_PUBLIC_";
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