else -> "`${p.name}`: ${p.type.toTypeArgumentString()}"
                }
            }.joinToString(separator = ", ")
        } ?: ""

    private
    fun singleTypeArgumentStringOf(p: MappedApiFunctionParameter) =
        p.type.typeArguments.single().toTypeArgumentString()

    private
    fun List<MappedApiFunctionParameter>.toArgumentsString(): String =