export declare class AppSchema {
    name: string;
    appid: string;
    invokeUrl?: string;
    function?: {
        developToken?: string;
        developTokenExpire?: number;
    };
    storage?: {
        endpoint: string;
        accessKeyId: string;
        accessKeySecret: string;
        sessionToken?: string;
        expire: number;
    };
    static read(): AppSchema;
    static write(schema: AppSchema): void;
    static exist(): boolean;
    static refresh(): Promise<void>;
}
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