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

FIR element rendered:
R|<local>/foo|.R|/Foo.set|(Int(10), String())

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] arrayAssignOperatorAsSingleExpressionInIf.kt
    public final [ResolvedTo(STATUS)] class Foo : R|kotlin/Any| {
        public [ResolvedTo(STATUS)] [ContainingClassKey=Foo] constructor(): R|Foo| {
            LAZY_super<R|kotlin/Any|>
        }

        public final operator [ResolvedTo(CONTRACTS)] fun set([ResolvedTo(CONTRACTS)] n: R|kotlin/Int|, [ResolvedTo(CONTRACTS)] value: R|kotlin/String|): R|kotlin/Unit| {
        }

    }
    public final [ResolvedTo(BODY_RESOLVE)] fun usageFoo([ResolvedTo(BODY_RESOLVE)] flag: R|kotlin/Boolean|, [ResolvedTo(BODY_RESOLVE)] foo: R|Foo|): R|kotlin/Unit| {
        when () {
            R|<local>/flag| ->  {
                 {
                    R|<local>/foo|.R|/Foo.set|(Int(10), String())
                    Unit
                }

            }
        }

    }