# Functions
New returns a new instance of PortMapper.
NewWithPortAllocator returns a new instance of PortMapper which will use the specified PortAllocator.
# Variables
ErrPortMappedForIP refers to a port already mapped to an ip address.
ErrPortNotMapped refers to an unmapped port.
ErrUnknownBackendAddressType refers to an unknown container or unsupported address type.
# Structs
PortMapper manages the network address translation.