export declare class Configuration {
    private static instance;
    private host;
    private secretKey;
    private constructor();
    static getInstance(config?: {
        host: string;
        secretKey: string;
    }): Configuration;
    static isInitialized(): boolean;
    getHost(): string;
    setHost(value: string): void;
    getSecretKey(): string;
    setSecretKey(value: string): void;
    static reinitialize(config: {
        host: string;
        secretKey: string;
    }): void;
    private ensureInitialized;
}
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