class FormBody internal constructor(
  encodedNames: List<String>,
  encodedValues: List<String>,
) : RequestBody() {
  private val encodedNames: List<String> = encodedNames.toImmutableList()
  private val encodedValues: List<String> = encodedValues.toImmutableList()

  /** The number of key-value pairs in this form-encoded body. */
  @get:JvmName("size")
  val size: Int
    get() = encodedNames.size

  @JvmName("-deprecated_size")

        .add("space, the", "final frontier")
        .add("%25", "%25")
        .build()
    assertThat(body.size).isEqualTo(3)
    assertThat(body.encodedName(0)).isEqualTo("a%2B%3D%26+b")
    assertThat(body.encodedName(1)).isEqualTo("space%2C+the")
    assertThat(body.encodedName(2)).isEqualTo("%2525")
    assertThat(body.name(0)).isEqualTo("a+=& b")
    assertThat(body.name(1)).isEqualTo("space, the")