Reformat stdlib: collections

#KT-5558

libraries/stdlib/common/src/kotlin/collections/AbstractMutableList.kt

@@ -9,6 +9,7 @@ expect abstract class AbstractMutableList<E> : MutableList<E> {
     protected constructor()
 
     // From List
+
     override fun isEmpty(): Boolean
     override fun contains(element: @UnsafeVariance E): Boolean
     override fun containsAll(elements: Collection<@UnsafeVariance E>): Boolean
@@ -16,9 +17,11 @@ expect abstract class AbstractMutableList<E> : MutableList<E> {
     override fun lastIndexOf(element: @UnsafeVariance E): Int
 
     // From MutableCollection
+
     override fun iterator(): MutableIterator<E>
 
     // From MutableList
+
     override fun add(element: E): Boolean
     override fun remove(element: E): Boolean
     override fun addAll(elements: Collection<E>): Boolean

libraries/stdlib/common/src/kotlin/collections/ArrayList.kt

@@ -14,6 +14,7 @@ expect class ArrayList<E> : MutableList<E>, RandomAccess {
     fun ensureCapacity(minCapacity: Int)
 
     // From List
+
     override val size: Int
     override fun isEmpty(): Boolean
     override fun contains(element: @UnsafeVariance E): Boolean
@@ -23,9 +24,11 @@ expect class ArrayList<E> : MutableList<E>, RandomAccess {
     override fun lastIndexOf(element: @UnsafeVariance E): Int
 
     // From MutableCollection
+
     override fun iterator(): MutableIterator<E>
 
     // From MutableList
+
     override fun add(element: E): Boolean
     override fun remove(element: E): Boolean
     override fun addAll(elements: Collection<E>): Boolean

libraries/stdlib/common/src/kotlin/collections/CollectionsH.kt

@@ -15,8 +15,10 @@ expect inline fun <reified T> Collection<T>.toTypedArray(): Array<T>
 
 @SinceKotlin("1.2")
 expect fun <T> MutableList<T>.fill(value: T): Unit
+
 @SinceKotlin("1.2")
 expect fun <T> MutableList<T>.shuffle(): Unit
+
 @SinceKotlin("1.2")
 expect fun <T> Iterable<T>.shuffled(): List<T>
 

libraries/stdlib/common/src/kotlin/collections/HashMap.kt

@@ -12,6 +12,7 @@ expect class HashMap<K, V> : MutableMap<K, V> {
     constructor(original: Map<out K, V>)
 
     // From Map
+
     override val size: Int
     override fun isEmpty(): Boolean
     override fun containsKey(key: K): Boolean
@@ -19,6 +20,7 @@ expect class HashMap<K, V> : MutableMap<K, V> {
     override operator fun get(key: K): V?
 
     // From MutableMap
+
     override fun put(key: K, value: V): V?
     override fun remove(key: K): V?
     override fun putAll(from: Map<out K, V>)

libraries/stdlib/common/src/kotlin/collections/HashSet.kt

@@ -12,12 +12,14 @@ expect class HashSet<E> : MutableSet<E> {
     constructor(elements: Collection<E>)
 
     // From Set
+
     override val size: Int
     override fun isEmpty(): Boolean
     override fun contains(element: @UnsafeVariance E): Boolean
     override fun containsAll(elements: Collection<@UnsafeVariance E>): Boolean
 
     // From MutableSet
+
     override fun iterator(): MutableIterator<E>
     override fun add(element: E): Boolean
     override fun remove(element: E): Boolean

libraries/stdlib/common/src/kotlin/collections/LinkedHashMap.kt

@@ -12,6 +12,7 @@ expect class LinkedHashMap<K, V> : MutableMap<K, V> {
     constructor(original: Map<out K, V>)
 
     // From Map
+
     override val size: Int
     override fun isEmpty(): Boolean
     override fun containsKey(key: K): Boolean
@@ -19,6 +20,7 @@ expect class LinkedHashMap<K, V> : MutableMap<K, V> {
     override fun get(key: K): V?
 
     // From MutableMap
+
     override fun put(key: K, value: V): V?
     override fun remove(key: K): V?
     override fun putAll(from: Map<out K, V>)

libraries/stdlib/common/src/kotlin/collections/LinkedHashSet.kt

@@ -12,12 +12,14 @@ expect class LinkedHashSet<E> : MutableSet<E> {
     constructor(elements: Collection<E>)
 
     // From Set
+
     override val size: Int
     override fun isEmpty(): Boolean
     override fun contains(element: @UnsafeVariance E): Boolean
     override fun containsAll(elements: Collection<@UnsafeVariance E>): Boolean
 
     // From MutableSet
+
     override fun iterator(): MutableIterator<E>
     override fun add(element: E): Boolean
     override fun remove(element: E): Boolean