export declare function parseBooleanEnv(value: string | undefined, options?: {
    allowYesNo?: boolean;
}): boolean | undefined;
export declare function resolveBooleanEnv(value: string | undefined, fallback: boolean, options?: {
    allowYesNo?: boolean;
}): boolean;
export declare function resolveBooleanProcessEnv(key: string, fallback: boolean, options?: {
    allowYesNo?: boolean;
}): boolean;
export declare function parseBooleanProcessEnv(key: string, options?: {
    allowYesNo?: boolean;
}): boolean | undefined;
export declare function readNonEmptyProcessEnv(key: string): string | undefined;
export declare function parseIntegerEnv(value: string | undefined): number | undefined;
export declare function parseIntegerProcessEnv(key: string): number | undefined;
export declare function parsePositiveIntegerEnv(value: string | undefined): number | undefined;
export declare function resolvePositiveIntegerEnv(value: string | undefined, fallback: number): number;
export declare function resolvePositiveIntegerProcessEnv(key: string, fallback: number): number;
export declare function parseNonNegativeIntegerEnv(value: string | undefined): number | undefined;
export declare function parseNonNegativeIntegerProcessEnv(key: string): number | undefined;
export declare function resolveNonNegativeIntegerEnv(value: string | undefined, fallback: number): number;
export declare function resolveNonNegativeIntegerProcessEnv(key: string, fallback: number): number;
export declare function isNodeEnv(value: 'development' | 'production' | 'test'): boolean;
export declare function isDevelopmentEnvironment(): boolean;
export declare function isProductionEnvironment(): boolean;
export declare function isTestEnvironment(): boolean;
export declare function isVitestRuntime(): boolean;
export declare function isCiEnvironment(): boolean;
export declare function isStrictHermeticFileSystemModeFromEnv(): boolean;
export declare function isRenounDebugEnabled(): boolean;