public ApiClientBuilder withClientCredentials(String clientId, String clientSecret) {
        this.clientId = clientId;
        this.clientSecret = clientSecret;
        return this;
    }
public ApiClientBuilder withClientCredentials(String clientId, String clientSecret) {
        this.clientId = clientId;
        this.clientSecret = clientSecret;
        return this;
    }
public ApiClientBuilder withClientCredentials ( String clientId , String clientSecret ) { this . clientId = clientId ; this . clientSecret = clientSecret ; return this ; }
Sets your client Id and client Secret.

@param clientId
@param clientSecret
@return
Sets your client Id and client Secret .