/** OAuth consent screen. The operator's browser lands here; Intuit redirects
 *  back to redirect_uri with code+state+realmId. */
export declare const INTUIT_AUTHORIZE_URL = "https://appcenter.intuit.com/connect/oauth2";
/** Token endpoint — same host for sandbox and production (the QBO API base
 *  differs by environment, the token endpoint does not). */
export declare const INTUIT_TOKEN_URL = "https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer";
/** Accounting scope. openid/profile/email are intentionally omitted — the
 *  connector needs company data, not an Intuit identity. */
export declare const QBO_SCOPE = "com.intuit.quickbooks.accounting";
export interface TokenResponse {
    accessToken: string;
    refreshToken: string;
    /** seconds until the access token expires (Intuit returns ~3600). */
    expiresIn: number;
    /** seconds until the refresh token expires (Intuit returns ~8640000 ≈ 100d). */
    refreshTokenExpiresIn: number;
}
export declare function buildAuthorizeUrl(opts: {
    clientId: string;
    redirectUri: string;
    state: string;
    scope?: string;
}): string;
export declare function exchangeCode(opts: {
    clientId: string;
    clientSecret: string;
    code: string;
    redirectUri: string;
    tokenUrl?: string;
}): Promise<TokenResponse>;
export declare function refreshAccess(opts: {
    clientId: string;
    clientSecret: string;
    refreshToken: string;
    tokenUrl?: string;
}): Promise<TokenResponse>;
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