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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
package import LanguageServerProtocol
/// A type that can provide the set of main files that include a particular file.
package protocol MainFilesProvider: Sendable {
/// Returns all the files that (transitively) include the header file at the given path.
///
/// If `crossLanguage` is set to `true`, Swift files that import a header through a module will also be reported.
///
/// ### Examples
///
/// ```
/// mainFilesContainingFile("foo.cpp") == Set(["foo.cpp"])
/// mainFilesContainingFile("foo.h") == Set(["foo.cpp", "bar.cpp"])
/// ```
func mainFiles(containing uri: DocumentURI, crossLanguage: Bool) async -> Set<DocumentURI>
}
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