KT element: KtBinaryExpression
FIR element: FirAugmentedArraySetCallImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
ArraySet:[m#.get#(String(a)) += IntegerLiteral(1)]

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] compoundAssignWithArrayAccessConventionScript.kts
    context(<script>@kotlin.script.templates.standard.ScriptTemplateWithArgs)
    SCRIPT: [ResolvedTo(BODY_RESOLVE)] 
        [ResolvedTo(RAW_FIR)] lval args: R|kotlin/Array<kotlin/String>|

        public? final? [ResolvedTo(RAW_FIR)] interface MyMap<[ResolvedTo(RAW_FIR)] K, [ResolvedTo(RAW_FIR)] V> : R|kotlin/Any| {
            public? final? operator [ResolvedTo(RAW_FIR)] fun get([ResolvedTo(RAW_FIR)] k: K): V

            public? final? operator [ResolvedTo(RAW_FIR)] fun set([ResolvedTo(RAW_FIR)] k: K, [ResolvedTo(RAW_FIR)] v: V): R|kotlin/Unit|

        }

        public? final? [ResolvedTo(RAW_FIR)] fun test([ResolvedTo(RAW_FIR)] m: MyMap<String, Int>): R|kotlin/Unit| {
            ArraySet:[m#.get#(String(a)) += IntegerLiteral(1)]
            Unit
        }