/**
 * Whether an error from an AWS SDK call is an authorization failure.
 *
 * Services are inconsistent in how they phrase it: most raise `AccessDeniedException`
 * (e.g. CloudTrail, SSM), some `AccessDenied` (e.g. S3), and some surface the code on
 * `Code` rather than `name`. Match all of them.
 */
export declare function isAccessDeniedError(e: any): boolean;
/**
 * Read a file if it exists, or return undefined
 *
 * Not async because it is used in the constructor
 */
export declare function readIfPossible(filename: string): string | undefined;
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