@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Struct struct = (Struct) o;
        return Objects.equals(schema, struct.schema) &&
                Arrays.deepEquals(values, struct.values);
    }
Validates that this struct has filled in all the necessary data with valid values. For required fields
without defaults, this validates that a value has been set and has matching types/schemas. If any validation
fails, throws a {@link DataException}.
connect/api/src/main/java/org/apache/kafka/connect/data/Struct.java