export declare const OneDayMs: number;
export declare const ApiKeyMaxAgeMs: number;
export declare function getApiKey(): string;
export type ApiKeyStatus = ApiKeyStatusValid | ApiKeyStatusInvalid;
export interface ApiKeyStatusValid {
    valid: true;
    key: string;
}
export interface ApiKeyStatusInvalid {
    valid: false;
    message: 'malformed' | 'missing' | 'expired';
}
export declare function isValidApiKey(apiKey?: string | null): ApiKeyStatus;
/** Truncate a API key to the last 6 digits */
export declare function truncateApiKey(x: unknown): string | undefined;