// https://compression.spec.whatwg.org/#enumdef-compressionformat
enum CompressionFormat {
    "deflate",
    "deflate-raw",
    "gzip",
};

// https://compression.spec.whatwg.org/#compressionstream
[Exposed=*]
interface CompressionStream {
    constructor(CompressionFormat format);
};

CompressionStream includes GenericTransformStream;
