Cargo Features

datafusion-proto-common has no features set by default.

[dependencies]
datafusion-proto-common = { version = "42.2.0", features = ["json"] }
json = pbjson, serde, serde_json

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.

pbjson json?
serde json?
serde_json json?