import type { AWSIoTCredentials, AuthState, MyDolphinAuthResult } from './types.js';
/**
 * Manages authentication credentials lifecycle
 */
export declare class CredentialManager {
    private cognitoToken?;
    private mobToken?;
    private awsCredentials?;
    private serialNumber?;
    private robotName?;
    private deviceType?;
    /**
     * Set Cognito JWT token
     */
    setCognitoToken(token: string): void;
    /**
     * Get Cognito JWT token
     */
    getCognitoToken(): string | undefined;
    /**
     * Set MyDolphin authentication result
     */
    setMyDolphinAuth(auth: MyDolphinAuthResult): void;
    /**
     * Get mob token
     */
    getMobToken(): string | undefined;
    /**
     * Set AWS IoT credentials
     */
    setAWSCredentials(credentials: AWSIoTCredentials): void;
    /**
     * Get AWS IoT credentials
     */
    getAWSCredentials(): AWSIoTCredentials | undefined;
    /**
     * Get serial number
     */
    getSerialNumber(): string | undefined;
    /**
     * Get robot name
     */
    getRobotName(): string | undefined;
    /**
     * Get device type
     */
    getDeviceType(): number | undefined;
    /**
     * Check if AWS credentials are expired or expiring soon
     */
    needsRefresh(): boolean;
    /**
     * Check if we have valid AWS credentials (not expired)
     */
    hasValidCredentials(): boolean;
    /**
     * Check if fully authenticated
     */
    isAuthenticated(): boolean;
    /**
     * Get current authentication state
     */
    getState(): AuthState;
    /**
     * Clear all credentials
     */
    clear(): void;
    /**
     * Get time until credentials expire
     */
    getTimeUntilExpiration(): number;
    /**
     * Get credentials expiration date
     */
    getExpirationDate(): Date | undefined;
}
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