NOTICE

Copyright (2025) Databricks, Inc.

This Software includes software developed at Databricks (https://www.databricks.com/) and its use is subject to the included LICENSE file.

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This Software includes the following open source components:

## Python Dependencies

### Apache License 2.0

- **requests**: Copyright 2019 Kenneth Reitz (https://github.com/psf/requests)

### BSD 3-Clause License

- **protobuf**: Copyright 2008 Google Inc. (https://github.com/protocolbuffers/protobuf)

### Optional: Arrow support (Apache License 2.0)

- **pyarrow**: Copyright 2016 The Apache Software Foundation (https://github.com/apache/arrow)

## Rust Dependencies (via PyO3/Maturin)

This SDK wraps a native Rust core. The compiled extension module includes:

### MIT License

- **tokio**: Copyright (c) 2019 Tokio Contributors (https://github.com/tokio-rs/tokio)
- **tonic**: Copyright (c) 2019 Lucio Franco (https://github.com/hyperium/tonic)
- **async-trait**: Copyright (c) 2019 David Tolnay (https://github.com/dtolnay/async-trait)

### Apache License 2.0

- **prost**: Copyright (c) 2017 Dan Burkert (https://github.com/tokio-rs/prost)
- **prost-types**: Copyright (c) 2017 Dan Burkert (https://github.com/tokio-rs/prost)
- **arrow-ipc**: Copyright (c) 2020 Apache Arrow contributors (https://github.com/apache/arrow-rs)
- **arrow-schema**: Copyright (c) 2020 Apache Arrow contributors (https://github.com/apache/arrow-rs)
- **arrow-array**: Copyright (c) 2020 Apache Arrow contributors (https://github.com/apache/arrow-rs)

### Python Binding

- **PyO3**: Copyright (c) 2017 PyO3 Project and Contributors (https://github.com/PyO3/pyo3) — Apache License 2.0 / MIT

For a complete list of dependencies and their licenses, see `pyproject.toml` and `rust/Cargo.toml`.