function get_data_raw(path::AbstractString) 
    error("Not Implemented")
end

function get_data_rawx(path::AbstractString)
    error("Not Implemented")
end

nbus_raw(path::AbstractString) = error("Not Implemented")
nbus_rawx(path::AbstractString) = error("Not Implemented")
nbranch_raw(path::AbstractString; distinct_pair=false) = error("Not Implemented")
nbranch_rawx(path::AbstractString; distinct_pair=false) = error("Not Implemented")
ngen_raw(path::AbstractString; distinct_pair=false) = error("Not Implemented")
ngen_rawx(path::AbstractString; distinct_pair=false) = error("Not Implemented")
ntransformer_raw(path::AbstractString; distinct_pair=false) = error("Not Implemented")
ntransformer_rawx(path::AbstractString; distinct_pair=false) = error("Not Implemented")
