export declare function readEnv(name: string): string | undefined;
export declare function readEnvFlag(name: string): boolean;
export declare function parseEnvPositiveInt(name: string, fallback: number): number;
export declare function parseEnvBoundedInt(name: string, fallback: number, min: number, max: number): number;
export declare function parseEnvBoundedFloat(name: string, fallback: number, min: number, max: number): number;
export declare function envPreferMoss(mossKey: string, legacyKey: string): string | undefined;
export declare function parseEnvNumberPreferMoss(mossKey: string, legacyKey: string): number | undefined;
export declare function envTruthyUnlessZeroPreferMoss(mossKey: string, legacyKey: string): boolean;
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