/**
 * OAuth Client for Veryfront API - client credentials flow.
 */
export interface TokenResponse {
    access_token: string;
    token_type: "Bearer";
    expires_in?: number;
}
export declare class OAuthTokenRequestError extends Error {
    readonly status: number;
    readonly responseText: string;
    constructor(status: number, responseText: string);
}
interface OAuthTokenConfig {
    apiBaseUrl: string;
    apiClientId: string;
    apiClientSecret: string;
    projectSlug?: string;
    customDomain?: string;
    timeoutMs?: number;
    signal?: AbortSignal;
}
export declare function fetchOAuthToken(config: OAuthTokenConfig): Promise<TokenResponse>;
export {};
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