A ProxySettingSource is a way to calculate the ProxySetting for a given request. It may be a fixed ProxySetting value, or a callback to get ProxySetting values, or an array of sources, which should be iterated to get the first usable value
A ProxySettingSource is a way to calculate the ProxySetting for a given request. It may be a fixed ProxySetting value, or a callback to get ProxySetting values, or an array of sources, which should be iterated to get the first usable value