BEFORE MODIFICATION:
public final [ResolvedTo(BODY_RESOLVE)] fun R|MyProducer|.testFun([ResolvedTo(BODY_RESOLVE)] param1: R|kotlin/Int| = this@R|/testFun|.R|/MyProducer.produce|()): R|kotlin/Unit| {
    Int(42)
}

AFTER MODIFICATION:
public final [ResolvedTo(ANNOTATIONS_ARGUMENTS_MAPPING)] fun R|MyProducer|.testFun([ResolvedTo(BODY_RESOLVE)] param1: R|kotlin/Int| = this@R|/testFun|.R|/MyProducer.produce|()): R|kotlin/Unit| { LAZY_BLOCK }