#if swift(>=5.5) dependencies.append( .package( name: "SwiftSyntax", url: "https://github.com/apple/swift-syntax", .branch("release/5.5-05142021") ) ) #elseif swift(>=5.4) dependencies.append( .package( name: "SwiftSyntax", url: "https://github.com/apple/swift-syntax", .exact("0.50400.0") ) ) #elseif swift(>=5.3) dependencies.append( .package( name: "SwiftSyntax", url: "https://github.com/apple/swift-syntax", .exact("0.50300.0") ) ) #else fatalError("This version of Periphery does not support Swift <= 5.2.") #endif