in Sources/SymbolKit/SymbolGraph/Relationship/Relationship.swift [65:74]
func decodeMixinForKey(_ key: CodingKeys, from container: KeyedDecodingContainer<CodingKeys>) throws -> Mixin? {
switch key {
case .swiftConstraints:
return try container.decode(Swift.GenericConstraints.self, forKey: key)
case .sourceOrigin:
return try container.decode(SourceOrigin.self, forKey: key)
default:
return nil
}
}