001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin.types;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.annotations.ReadOnly;
022    import org.jetbrains.kotlin.descriptors.annotations.Annotated;
023    import org.jetbrains.kotlin.resolve.scopes.MemberScope;
024    import org.jetbrains.kotlin.types.checker.KotlinTypeChecker;
025    
026    import java.util.List;
027    
028    /**
029     * @see KotlinTypeChecker#isSubtypeOf(KotlinType, KotlinType)
030     */
031    public interface KotlinType extends Annotated {
032        @NotNull
033        TypeConstructor getConstructor();
034    
035        @NotNull
036        @ReadOnly
037        List<TypeProjection> getArguments();
038    
039        @NotNull
040        TypeSubstitution getSubstitution();
041    
042        boolean isMarkedNullable();
043    
044        @NotNull
045        MemberScope getMemberScope();
046    
047        boolean isError();
048    
049        @Override
050        boolean equals(Object other);
051    
052        @Nullable
053        <T extends TypeCapability> T getCapability(@NotNull Class<T> capabilityClass);
054    
055        @NotNull
056        TypeCapabilities getCapabilities();
057    }