export interface YopConfig {
    appKey: string;
    appPrivateKey: string;
    yopPublicKey?: string | Buffer;
    yopApiBaseUrl?: string;
    parentMerchantNo?: string;
    merchantNo?: string;
}
export interface YopResult {
    code: string;
    message: string;
    subCode: string;
    subMessage: string;
    [key: string]: any;
}
export interface YopError {
    code: string;
    message: string;
    solution?: string;
    [key: string]: any;
}
export interface YopResponseMetadata {
    yopSign?: string | null;
    yopRequestId?: string | null;
    [key: string]: string | number | null | undefined;
}
export interface YopResponse {
    state: 'SUCCESS' | 'FAILURE' | string;
    ts?: number;
    result?: YopResult;
    error?: YopError;
    sign?: string;
    stringResult?: string;
    metadata?: YopResponseMetadata;
    [key: string]: any;
}
export interface YopErrorResponse extends YopResponse {
    state: 'FAILURE' | string;
    error: YopError;
}
export type ContentType = 'application/json' | 'application/x-www-form-urlencoded';
export interface YopRequestOptions {
    method: 'GET' | 'POST';
    apiUrl: string;
    params?: Record<string, unknown>;
    body?: Record<string, unknown>;
    contentType?: ContentType;
    timeout?: number;
}