/*
* Copyright 2000-2017 JetBrains s.r.o.
*
* Licensed 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.roots;
import org.jetbrains.annotations.ApiStatus;
import org.jetbrains.annotations.Nullable;
/**
* Base interface for elements of the project model (modules, libraries, artifacts, etc).
*
* @author nik
*/
@ApiStatus.Experimental
public interface ProjectModelElement {
/**
* Return non-null value if this element was automatically created by the IDE during importing from some external project system rather
* than created by user manually via UI. Configuration files corresponding to such elements will be stored separately so they won't
* pollute project directories. Also IDEs will show a warning if user tries to modify settings of such element because these changes may
* be lost after reimporting from the external model.
*/
@ApiStatus.Experimental
@Nullable
ProjectModelExternalSource getExternalSource();
}