import { Serializable } from '../../../internal/interfaces/serializable';
export declare class GetETFInfoReq implements Serializable {
    /**
     * ETF Currency: If empty, query all currencies
     */
    currency?: string;
    /**
     * Private constructor, please use the corresponding static methods to construct the object.
     */
    private constructor();
    /**
     * Creates a new instance of the `GetETFInfoReq` class.
     * The builder pattern allows step-by-step construction of a `GetETFInfoReq` object.
     */
    static builder(): GetETFInfoReqBuilder;
    /**
     * Creates a new instance of the `GetETFInfoReq` class with the given data.
     */
    static create(data: {
        /**
         * ETF Currency: If empty, query all currencies
         */
        currency?: string;
    }): GetETFInfoReq;
    /**
     * Convert the object to a JSON string.
     */
    toJson(): string;
    /**
     * Create an object from a JSON string.
     */
    static fromJson(input: string): GetETFInfoReq;
    /**
     * Create an object from Js Object.
     */
    static fromObject(jsonObject: Object): GetETFInfoReq;
}
export declare class GetETFInfoReqBuilder {
    readonly obj: GetETFInfoReq;
    constructor(obj: GetETFInfoReq);
    /**
     * ETF Currency: If empty, query all currencies
     */
    setCurrency(value: string): GetETFInfoReqBuilder;
    /**
     * Get the final object.
     */
    build(): GetETFInfoReq;
}