export declare const readEnv: (env: NodeJS.ProcessEnv, name: string) => string | undefined;
export declare const readEnvWithDefault: (env: NodeJS.ProcessEnv, name: string, fallback: string) => string;
export declare const hasEnv: (env: NodeJS.ProcessEnv, name: string) => boolean;
export declare const hasAnyEnv: (env: NodeJS.ProcessEnv, names: ReadonlyArray<string>) => boolean;
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