Cargo Features

biome_css_syntax has no features set by default.

[dependencies]
biome_css_syntax = { version = "0.5.7", features = ["schema"] }
schema = schemars

Enables serde of biome_rowan

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

schemars schema?