kotlin-stdlib / kotlin.text / java.lang.StringBuilder / appendLine appendLine JVM 1.4 fun StringBuilder.appendLine( value: StringBuffer?): StringBuilder(source) fun StringBuilder.appendLine( value: StringBuilder?): StringBuilder(source) fun StringBuilder.appendLine(value: Int): StringBuilder(source) fun StringBuilder.appendLine(value: Short): StringBuilder(source) fun StringBuilder.appendLine(value: Byte): StringBuilder(source) fun StringBuilder.appendLine(value: Long): StringBuilder(source) fun StringBuilder.appendLine(value: Float): StringBuilder(source) fun StringBuilder.appendLine(value: Double): StringBuilder(source) Appends value to this StringBuilder, followed by a line feed character (\n).