KON-601 Update KDoc for isInitialized property (#895)

Author: nataliapeterwas

lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koproperty/KoPropertyDeclarationForKoInitializerProviderTest.kt

@@ -38,6 +38,28 @@ class KoPropertyDeclarationForKoInitializerProviderTest {
         sut.isInitialized shouldBeEqualTo true
     }
 
+    @Test
+    fun `property-with-delegate-is-initialized-in-block-body`() {
+        // given
+        val sut = getSnippetFile("property-with-delegate-is-initialized-in-block-body")
+            .properties()
+            .first()
+
+        // then
+        sut.isInitialized shouldBeEqualTo true
+    }
+
+    @Test
+    fun `property-with-lateinit-modifier-is-not-initialized`() {
+        // given
+        val sut = getSnippetFile("property-with-lateinit-modifier-is-not-initialized")
+            .properties()
+            .first()
+
+        // then
+        sut.isInitialized shouldBeEqualTo false
+    }
+
     @Test
     fun `property-inside-interface-is-not-initialized`() {
         // given

lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koproperty/snippet/forkoinitializerprovider/property-with-delegate-is-initialized-in-block-body.kttxt

@@ -0,0 +1 @@
+val sampleProperty: Int by lazy { 0 }

lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koproperty/snippet/forkoinitializerprovider/property-with-lateinit-modifier-is-not-initialized.kttxt

@@ -0,0 +1,3 @@
+import com.lemonappdev.konsist.testdata.SampleClass
+
+lateinit var sampleProperty: SampleClass

lib/src/main/kotlin/com/lemonappdev/konsist/api/provider/KoInitializerProvider.kt

@@ -5,7 +5,27 @@ package com.lemonappdev.konsist.api.provider
  */
 interface KoInitializerProvider : KoBaseProvider {
     /**
-     * Determines whatever this declaration has been initialized.
+     * Determines whatever this declaration has been initialized. Declaration that has been initialized has a body.
+     * e.g.
+     * ```kotlin
+     * val name: String = "John Doe" // true
+     * val name: String by lazy { "John Doe" } // true
+     * lateinit var name: String // false
+     *
+     * fun greet() = "Hello, World!" // true
+     * fun greet() { println("Hello, World!") } // true
+     * fun greet(): String // false
+     *
+     * val speed: Int
+     *    get() = 100 // true
+     *    set(value) { field = value } // true
+     *
+     * val speed: Int = 0
+     *   private set // false
+     *
+     * val speed: Int = 0
+     *   get // false
+     * ```
      */
     val isInitialized: Boolean