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How to see all parameters in the parameter server ?

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Hello everyone ! I use the eband_local_planner for the navigation of my robot in simulation.
The problem is that when I type the command `rosparam list`, I can't see the parameters of my planner.
It is the same if I type `rosparam get parameter_name`, I get a message which says that the requested parameter does not exist.
However, if I load these invisible parameters from a YAML file, I can see their effects but they doesn't appear in the parameter server through the previously indicated commands.
They doesn't appear neither using the `rosrun rqt_reconfigure rqt_reconfigure` command.
My question is: How to have this visibility ?
I ask that because I want to be able to access these parameters in the parameter server in order to modify the behaviour of my robot from a C++ node. If anyone can help me, I will be grateful,
lfr

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