Support loading Java records

^KT-43677 In Progress

compiler/testData/loadJava15/GenericRecord.compiled.psi.txt

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+package test
+
+public final class GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!> : java.lang.Record {
+    public constructor GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: E!)
+    private final val x: T!
+    private final val y: E!
+    public open fun x(): T!
+    public open fun y(): E!
+    public open fun y(/*0*/ p0: E!): E!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/GenericRecord.compiled.txt

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+package test
+
+/*record*/ public final class GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!> : java.lang.Record {
+    public constructor GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: E!)
+    private final val x: T!
+    private final val y: E!
+    /*record component*/ public open fun x(): T!
+    /*record component*/ public open fun y(): E!
+    public open fun y(/*0*/ p0: E!): E!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/GenericRecord.java

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+package test;
+public record GenericRecord<T, E>(T x, E y) {
+    public E y() { return y; }
+    public E y(E n) { return y; }
+    public double z() { return 0.0; }
+}

compiler/testData/loadJava15/GenericRecord.txt

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+package test
+
+/*record*/ public final class GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!> : java.lang.Record {
+    public constructor GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: E!)
+    /*record component*/ public open fun x(): T!
+    /*record component*/ public open fun y(): E!
+    public open fun y(/*0*/ n: E!): E!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/SimpleRecord.compiled.psi.txt

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+package test
+
+public final class SimpleRecord : java.lang.Record {
+    public constructor SimpleRecord(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.CharSequence!)
+    private final val x: kotlin.Int
+    private final val y: kotlin.CharSequence!
+    public open fun x(): kotlin.Int
+    public open fun y(): kotlin.CharSequence!
+    public open fun y(/*0*/ p0: kotlin.Int): kotlin.CharSequence!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/SimpleRecord.compiled.txt

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+package test
+
+/*record*/ public final class SimpleRecord : java.lang.Record {
+    public constructor SimpleRecord(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.CharSequence!)
+    private final val x: kotlin.Int
+    private final val y: kotlin.CharSequence!
+    /*record component*/ public open fun x(): kotlin.Int
+    /*record component*/ public open fun y(): kotlin.CharSequence!
+    public open fun y(/*0*/ p0: kotlin.Int): kotlin.CharSequence!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/SimpleRecord.java

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+package test;
+public record SimpleRecord(int x, CharSequence y) {
+    public CharSequence y() { return y; }
+    public CharSequence y(int n) { return y; }
+    public double z() { return 0.0; }
+}

compiler/testData/loadJava15/SimpleRecord.txt

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+package test
+
+/*record*/ public final class SimpleRecord : java.lang.Record {
+    public constructor SimpleRecord(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.CharSequence!)
+    /*record component*/ public open fun x(): kotlin.Int
+    /*record component*/ public open fun y(): kotlin.CharSequence!
+    public open fun y(/*0*/ n: kotlin.Int): kotlin.CharSequence!
+    public open fun z(): kotlin.Double
+}