@Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;
        SessionKey that = (SessionKey) o;
        return creationTimestamp == that.creationTimestamp
            && key.equals(that.key);
    }
Get the time at which the key was generated.

@return the time at which the key was generated
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/SessionKey.java