Sample console output from swift-ide-test

misc.swift

# swift-ide-test -print-swift-file-interface -print-interface -source-filename ./Sources/Build/misc.swift 
/*
 This source file is part of the Swift.org open source project

 Copyright 2015 - 2016 Apple Inc. and the Swift project authors
 Licensed under Apache License v2.0 with Runtime Library Exception

 See http://swift.org/LICENSE.txt for license information
 See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/

import func POSIX.getenv
import func POSIX.popen
import func POSIX.mkdir
import func POSIX.fopen
import func libc.fclose
import PackageType
import Utility

public protocol Toolchain {

    public var platformArgs: [String] { get }

    public var sysroot: String? { get }

    public var SWIFT_EXEC: String { get }

    public var clang: String { get }
}
internal func platformFrameworksPath() throws -> String

extension CModule {

    var moduleMap: <<error type>> { get }

    var moduleMapPath: <<error type>> { get }
}

extension ClangModule {

    public enum ModuleMapError : ErrorProtocol {

        case UnsupportedIncludeLayoutForModule
    }

    ///FIXME: we recompute the generated modulemap's path
    ///when building swift modules in `XccFlags(prefix: String)`
    ///there shouldn't be need to redo this there but is difficult 
    ///in current architecture
    public func generateModuleMap(inDir wd: String) -> <<error type>>

    ///warn user if in case module name and c99name are different and there a `name.h` umbrella header
    private func diagnoseInvalidUmbrellaHeader(_ path: String) -> <<error type>>

    private enum UmbrellaType {

        case Header

        case Directory
    }

    private func createModuleMap(inDir wd: String, type: UmbrellaType) -> <<error type>>
}

extension Product {

    var Info: <<error type>> { get }
}

extension SystemPackageProvider {

    var installText: <<error type>> { get }

    static func providerForCurrentPlatform(providers: [SystemPackageProvider]) -> <<error type>>
}

Package.swift

# swift-ide-test -print-swift-file-interface -print-interface -source-filename ./Sources/PackageDescription/Package.swift 2>/dev/null
/*
 This source file is part of the Swift.org open source project

 Copyright 2015 - 2016 Apple Inc. and the Swift project authors
 Licensed under Apache License v2.0 with Runtime Library Exception

 See http://swift.org/LICENSE.txt for license information
 See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/



import Glibc

/// The description for a complete package.
public final class Package {

    /// The description for a package dependency.
    public class Dependency {

        public let versionRange: Range<Version>

        public let url: String

        internal init(_ url: String, _ versionRange: Range<Version>)

        public class func Package(url: String, versions: Range<Version>) -> <<error type>>

        public class func Package(url: String, majorVersion: Int) -> swift_ide_test.Package.Dependency

        public class func Package(url: String, majorVersion: Int, minor: Int) -> swift_ide_test.Package.Dependency

        public class func Package(url: String, _ version: Version) -> <<error type>>
    }

    /// The name of the package, if specified.
    public let name: String?

    /// pkgconfig name to use for C Modules. If present, swiftpm will try to search for
    /// <name>.pc file to get the additional flags needed for the system module.
    public let pkgConfig: String?

    /// Providers array for System module
    public let providers: [SystemPackageProvider]?

    /// The list of targets.
    public var targets: [Target]

    /// The list of dependencies.
    public var dependencies: [Dependency]

    /// The list of test dependencies. They aren't exposed to a parent Package
    public var testDependencies: [Dependency]

    /// The list of folders to exclude.
    public var exclude: [String]

    /// Construct a package.
    public init(name: String? = default, pkgConfig: String? = default, providers: [SystemPackageProvider]? = default, targets: [Target] = default, dependencies: [Dependency] = default, testDependencies: [Dependency] = default, exclude: [String] = default)
}

public enum SystemPackageProvider {

    case Brew(String)

    case Apt(String)
}

extension SystemPackageProvider : TOMLConvertible {

    internal var nameValue: (String, String) { get }

    public func toTOML() -> String
}

extension swift_ide_test.Package.Dependency : TOMLConvertible {

    public func toTOML() -> String
}

extension Package : TOMLConvertible {

    public func toTOML() -> String
}

extension Package : Equatable {
}
public func ==(lhs: Package, rhs: Package) -> Bool

extension swift_ide_test.Package.Dependency : Equatable {
}
public func ==(lhs: Package.Dependency, rhs: Package.Dependency) -> Bool