request Body
inline suspend fun requestBody(url: String, vararg headers: <Error class: unknown class><String, String>?): <Error class: unknown class><String, ActionError>
inline suspend fun requestBody(url: String, bodyContent: () -> String, vararg headers: <Error class: unknown class><String, String>?): <Error class: unknown class><String, ActionError>
Return
A body String of a https request, with headers provided or null if status code is not OK.