export declare class Environment {
    static readonly Production: Environment;
    static readonly Testnet: Environment;
    private readonly _name;
    private readonly _url;
    private readonly _passphrase;
    private readonly _friendbotUrl?;
    readonly name: string;
    readonly url: string;
    readonly passphrase: string;
    readonly friendbotUrl: string | undefined;
    constructor(params: EnvironmentParams);
}
export interface EnvironmentParams {
    readonly name: string;
    readonly url: string;
    readonly passphrase: string;
    readonly friendbotUrl?: string;
}