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export function clientFunc<  T extends { [key: string]: (...args: any[]) => unknown },>(  endPoint: string,  headers?: { [key: string]: string },  credentials?: RequestCredentials,): T {  return new Proxy({}, {    get(_target, prop, _receive) {      return async (...args: unknown[]) => {        try {          const response = await fetch(endPoint, {            method: "POST",            body: JSON.stringify({ methodName: prop, params: args }),            headers,            credentials,          });
          if (!response.ok) throw new Error("Response status is not OK!");
          const responseJson = await response.json();                    if (!responseJson) throw new Error("Response is not json!");          if (!responseJson?.result) {            throw new Error("Response is not have property 'result'!");          }
          return responseJson.result;        } catch (e) {          console.error(e);        }      };    },  }) as T;}