export declare class CurrencyService {
    private client;
    constructor(token: string);
    codes(request: CodesRequest): Promise<CodesResponse>;
    convert(request: ConvertRequest): Promise<ConvertResponse>;
    history(request: HistoryRequest): Promise<HistoryResponse>;
    rates(request: RatesRequest): Promise<RatesResponse>;
}
export interface Code {
    currency?: string;
    name?: string;
}
export interface CodesRequest {
}
export interface CodesResponse {
    codes?: Code[];
}
export interface ConvertRequest {
    amount?: number;
    from?: string;
    to?: string;
}
export interface ConvertResponse {
    amount?: number;
    from?: string;
    rate?: number;
    to?: string;
}
export interface HistoryRequest {
    code?: string;
    date?: string;
}
export interface HistoryResponse {
    code?: string;
    date?: string;
    rates?: {
        [key: string]: number;
    };
}
export interface RatesRequest {
    code?: string;
}
export interface RatesResponse {
    code?: string;
    rates?: {
        [key: string]: number;
    };
}