export declare const envVarRegex: RegExp;
/** Returns true when `varName` refers to an infrastructure secret that must not leak. */
export declare function isSensitiveEnvVar(varName: string): boolean;
/** Extracts the environment variable name from a template literal string */
export declare function extractVariableName(value: string): string | null;
/** Extracts the value of an environment variable from a string. */
export declare function extractEnvVariable(value: string): string;
/**
 * Normalize the endpoint name to system-expected value.
 * @param name
 */
export declare function normalizeEndpointName(name?: string): string;