/**
 * Represents the structure of an authentication response from the API.
 *
 * @property access_token - The access token used to authenticate subsequent API calls.
 * @property token_type - The type of token (e.g., "Bearer").
 * @property expires_in - The token expiry time in seconds.
 */
export type AuthResponseType = {
    access_token: string;
    token_type: string;
    expires_in: string;
};
export declare class AuthResponse {
    accessToken: string;
    tokenType: string;
    expiresIn: number;
    /**
     * @param accessToken - The access token used to authenticate subsequent API calls.
     * @param tokenType - The type of token (e.g., Bearer).
     * @param expiresIn - Token expiry time in seconds.
     */
    constructor(accessToken: string, tokenType: string, expiresIn: number);
    /**
     * Factory method to create an AuthResponse object from raw API response.
     * @param data - The raw response body from the authentication API.
     * @returns An instance of `AuthResponse` instance.
     */
    static fromApiResponse(data: {
        access_token: string;
        token_type: string;
        expires_in: string;
    }): AuthResponse;
    /**
     * Calculates the exact timestamp when the token will expire.
     * @returns Date object representing the token expiry time.
     */
    getExpiryTime(): Date;
}