https://developer.mozilla.org/en-US/docs/Web/API/DecompressionStream/writable
DecompressionStream: writable property - Web APIs | MDN
The writable read-only property of the DecompressionStream interface returns a WritableStream that accepts compressed data to be decompressed, in the form of...
web apisdecompressionstreamwritablepropertymdn
https://developer.mozilla.org/en-US/docs/Web/API/DecompressionStream/readable
DecompressionStream: readable property - Web APIs | MDN
The readable read-only property of the DecompressionStream interface returns a ReadableStream that emits decompressed data as Uint8Array chunks.
web apisdecompressionstreamreadablepropertymdn