/**
 * Manages the MM API token with caching and expiration checking
 * Tokens are cached across jobs and job instances in SQLite runtime state (jobs-shared-data.ts).
 * @jest-environment node
 */
export declare class MMTokenManager {
    private token;
    private tokenExpiration;
    private baseUrl;
    private api;
    constructor();
    /**
     * Checks if the current token is expired or will expire within the next minute
     * @returns boolean indicating if token needs refresh
     */
    private isTokenExpired;
    /**
     * Safely extracts expiration time from JWT token
     * @param token JWT token string
     * @returns Date object representing token expiration, or null if cannot be determined
     */
    private getTokenExpiration;
    /**
     * Gets a valid token, either from cache or by requesting a new one
     * @returns Promise resolving to a valid token string
     */
    getToken(): Promise<string>;
    /**
     * Invalidates the current token, forcing a fresh fetch on next getToken() call
     */
    invalidateToken(): void;
    /** Release HTTP connections (token fetch client). */
    destroy(): Promise<void>;
}
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