export type IFlowAuthMethod = 'oauth' | 'apikey';
export declare function isValidAuthMethod(method: string): method is IFlowAuthMethod;
export declare const IFLOW_CONSTANTS: {
    BASE_URL: string;
    OAUTH_TOKEN_URL: string;
    OAUTH_AUTHORIZE_URL: string;
    USER_INFO_URL: string;
    SUCCESS_REDIRECT: string;
    CLIENT_ID: string;
    CLIENT_SECRET: string;
    AXIOS_TIMEOUT: number;
    USER_AGENT: string;
    CALLBACK_PORT_START: number;
    CALLBACK_PORT_RANGE: number;
};
export declare const SUPPORTED_MODELS: string[];
export declare const THINKING_MODELS: string[];
export declare function isThinkingModel(model: string): boolean;
export declare function applyThinkingConfig(body: any, model: string): any;