@SuppressWarnings("unchecked")
    public <T> List<T> getArray(String fieldName) {
        return (List<T>) getCheckType(fieldName, Schema.Type.ARRAY);
    }
Equivalent to calling {@link #get(String)} and casting the result to a List.
connect/api/src/main/java/org/apache/kafka/connect/data/Struct.java