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/*
 * Copyright 2010-2015 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 kotlin.reflect

/**
 * Represents a class and provides introspection capabilities.
 * Instances of this class are obtainable by the `::class` syntax.
 * See the [Kotlin language documentation](http://kotlinlang.org/docs/reference/reflection.html#class-references)
 * for more information.
 *
 * @param T the type of the class.
 */
public interface KClass : KDeclarationContainer, KAnnotatedElement {
    /**
     * The simple name of the class as it was declared in the source code,
     * or `null` if the class has no name (if, for example, it is an anonymous object literal).
     */
    public val simpleName: String?

    /**
     * The fully qualified dot-separated name of the class,
     * or `null` if the class is local or it is an anonymous object literal.
     */
    public val qualifiedName: String?

    /**
     * All functions and properties accessible in this class, including those declared in this class
     * and all of its superclasses. Does not include constructors.
     */
    override val members: Collection>

    /**
     * All constructors declared in this class.
     */
    public val constructors: Collection>

    /**
     * All classes declared inside this class. This includes both inner and static nested classes.
     */
    public val nestedClasses: Collection>

    /**
     * The instance of the object declaration, or `null` if this class is not an object declaration.
     */
    public val objectInstance: T?

    /**
     * Returns `true` if [other] is a [KClass] instance representing the same class on a given platform.
     * On JVM this means that all of the following conditions are satisfied:
     *
     * 1. [other] has the same fully qualified name as this instance.
     * 2. [other]'s backing [Class] object is loaded with the same class loader as the [Class] object of this instance.
     * 3. If the classes represent [Array], then [Class] objects of their element types are equal.
     */
    override fun equals(other: Any?): Boolean

    override fun hashCode(): Int
}