```
batchtools:::example_push_temp(1)
tmp = makeExperimentRegistry(file.dir = NA, make.default = FALSE)
addProblem("p1", fun = function(job, data) data, reg = tmp)
addProblem("p2", fun = function(job, data) job, reg = tmp)
addAlgorithm("a1", fun = function(job, data, instance) instance, reg = tmp)
addExperiments(repls = 2, reg = tmp)
# List problems, algorithms and job parameters:
tmp$problems
tmp$algorithms
getJobPars(reg = tmp)
# Remove one problem
removeProblems("p1", reg = tmp)
# List problems and algorithms:
tmp$problems
tmp$algorithms
getJobPars(reg = tmp)
```

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