fun StringBuilder.appendLine(
    value: StringBuffer?
): StringBuilder

fun StringBuilder.appendLine(
    value: StringBuilder?
): StringBuilder

fun StringBuilder.appendLine(value: Int): StringBuilder

fun StringBuilder.appendLine(value: Short): StringBuilder

fun StringBuilder.appendLine(value: Byte): StringBuilder

fun StringBuilder.appendLine(value: Long): StringBuilder

fun StringBuilder.appendLine(value: Float): StringBuilder

fun StringBuilder.appendLine(value: Double): StringBuilder

Appends value to this StringBuilder, followed by a line feed character (\n).