Get properties from another class (matlab) -

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is possbile properties class in matlab?

i have 2 classes: projecttableand allprojecttables.
in projecttable have tried following: 

properties (getaccess = ?allprojecttables)

but doesn't work.

here working example:

classdef projecttable     properties (getaccess = ?allprojecttables)         value     end     methods         function obj = projecttable(val)             obj.value = val;         end         function r = addtwo(obj)             r = obj.value + 2;         end     end end  classdef allprojecttables     properties         project_table     end     methods         function obj = allprojecttables(project_table)             obj.project_table = project_table;         end         function r = test(obj)             r = obj.project_table.value;         end     end end

and test:

  >> a=projecttable(45)    =       projecttable no properties.    >> a.value   cannot 'value' property of projecttable.    >> b=allprojecttables(a)    b =       allprojecttables properties:        project_table: [1x1 projecttable]    >> b.test    ans =        45    >> b.project_table.value   cannot 'value' property of projecttable.    >>

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