headersOf

fun headersOf(): Headers

Returns empty headers

fun headersOf(name: String, value: String): Headers

Returns Headers instance containing only one header with the specified name and value

fun headersOf(name: String, values: List<String>): Headers

Returns Headers instance containing only one header with the specified name and values

fun headersOf(
    vararg pairs: Pair<String, List<String>>
): Headers

Returns Headers instance from pairs