Code generation where the 'in' parameter lacks the required ``

[Llonvne]

Hello,I have a data class like that with a in parameter in primary constructor like this

@Serializable
data class PipeMap(
    val `in`: PipeIndex,  // input end of the pipe
    val out: PipeIndex, // output end of the pipe
    // enable pipe proxy from in to out,
    // content from in will be discarded if out closes
    val proxy: Boolean? = null,
    val name: String? = null,   // copy out proxy content if proxy enabled
    // limit the copy out content size,
    // proxy will still functioning after max
    val max: Int? = null
)

and Kopykat generate code like this

public inline fun PipeMap.copyMap(
  `in`: PipeMap.(PipeIndex) -> PipeIndex = { it },
  `out`: PipeMap.(PipeIndex) -> PipeIndex = { it },
  proxy: PipeMap.(Boolean?) -> Boolean? = { it },
  name: PipeMap.(String?) -> String? = { it },
  max: PipeMap.(Int?) -> Int? = { it },
): PipeMap = copy(in = in(this, this.in), out = out(this, this.out), proxy = proxy(this,
    this.proxy), name = name(this, this.name), max = max(this, this.max))

yes, in the copy function the 'in' parameter lacks the required ``

[Llonvne]

it seem to occur on any reserved key words in kotlin