export declare function findReferencedEnvVars(value: unknown): Set<string>;
export interface ContainerInfo {
    inContainer: boolean;
    signals: string[];
}
export declare function detectContainer(): ContainerInfo;
export declare function resolveDocExtensions(fileTypes: unknown): Set<string>;
export declare function enumerateInputFiles(inputs: string[], cap?: number, allowedExtensions?: Set<string>): string[];
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