getContainer().lookup(org.apache.maven.project.ProjectBuilder.class);
        File child = new File(tempDir.toFile(), "child/pom.xml");
        // build project once
        projectBuilder.build(child, configuration);
        // modify parent
        File parent = new File(tempDir.toFile(), "pom.xml");
        String parentContent = new String(Files.readAllBytes(parent.toPath()), StandardCharsets.UTF_8);

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

            .also(file::accept).diagnostics

        if (syntaxErrors.isNotEmpty()) {
            return KaCompilationResult.Failure(syntaxErrors)
        }

        val mainFirFile = getFullyResolvedFirFile(file)

        val frontendDiagnostics = file.collectDiagnosticsForFile(firResolveSession, DiagnosticCheckerFilter.ONLY_COMMON_CHECKERS)

    }

    /**
     * Records [file] as an original file for [this].
     */
    @KaAnalysisApiInternals
    public fun KtFile.recordOriginalKtFile(file: KtFile) {
        withValidityAssertion { analysisSession.originalPsiProvider.recordOriginalKtFile(this, file) }
    }
}

@KaAnalysisApiInternals

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

        override fun visitElement(element: PsiElement) {
            element.acceptChildren(this)
        }

        override fun visitKtFile(file: KtFile) {
            addToFacadeFileMap(file)
            file.script?.let { addToScriptMap(it) }
            super.visitKtFile(file)
        }

        override fun visitClassOrObject(classOrObject: KtClassOrObject) {
            indexClassOrObject(classOrObject)

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

        val packages: MutableMap<FqName, MutableSet<Name>> = mutableMapOf() // the explicit type is here to workaround KTIJ-21172
        filesInScope.forEach { file ->
            var currentPackage = FqName.ROOT
            for (subPackage in file.packageFqName.pathSegments()) {
                packages.getOrPut(currentPackage) { mutableSetOf() } += subPackage
                currentPackage = currentPackage.child(subPackage)