append

fun <T : Any> append(
    key: String, 
    value: T, 
    headers: Headers = Headers.Empty
): Unit

fun append(
    key: String, 
    value: String, 
    headers: Headers = Headers.Empty
): Unit

fun append(
    key: String, 
    value: Number, 
    headers: Headers = Headers.Empty
): Unit

fun append(
    key: String, 
    value: ByteArray, 
    headers: Headers = Headers.Empty
): Unit

fun append(
    key: String, 
    value: InputProvider, 
    headers: Headers = Headers.Empty
): Unit

fun append(
    key: String, 
    value: ByteReadPacket, 
    headers: Headers = Headers.Empty
): Unit

fun append(
    key: String, 
    value: Input, 
    headers: Headers = Headers.Empty
): Unit

Deprecated: Input is not reusable. Please use [InputProvider] instead.

Append a pair key:value with optional headers.

fun <T : Any> append(part: FormPart<T>): Unit

Append a form part.