Yubico OTP validation client protocol 2

<!-- https://jarcasting.com/artifacts/com.yubico/yubico-validation-client2/ -->
<dependency>
    <groupId>com.yubico</groupId>
    <artifactId>yubico-validation-client2</artifactId>
    <version>3.1.0</version>
</dependency>

// https://jarcasting.com/artifacts/com.yubico/yubico-validation-client2/
implementation 'com.yubico:yubico-validation-client2:3.1.0'

// https://jarcasting.com/artifacts/com.yubico/yubico-validation-client2/
implementation ("com.yubico:yubico-validation-client2:3.1.0")

'com.yubico:yubico-validation-client2:jar:3.1.0'

<dependency org="com.yubico" name="yubico-validation-client2" rev="3.1.0">
  <artifact name="yubico-validation-client2" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.yubico', module='yubico-validation-client2', version='3.1.0')
)

libraryDependencies += "com.yubico" % "yubico-validation-client2" % "3.1.0"

[com.yubico/yubico-validation-client2 "3.1.0"]