KT element: KtThisExpression
FIR element: FirThisReceiverExpressionImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
this@R|/foo|

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] thisExpression_regular_this.kt
    public final [ResolvedTo(BODY_RESOLVE)] fun [ResolvedTo(BODY_RESOLVE)] R|kotlin/Int|.foo(): R|kotlin/Unit| {
        this@R|/foo|
    }