KT element: KtWhileExpression
FIR element: FirWhileLoopImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
while(Boolean(true)) {
}

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] whileExpression.kt
    public final [ResolvedTo(BODY_RESOLVE)] fun foo(): R|kotlin/Unit| {
        while(Boolean(true)) {
        }

    }