Required fields:

• id::String;
• id2permission::Dict{String, Permission}; # Resource ID => Permission
• idpattern2permission::Dict{Regex, Permission}; # Resource ID pattern => Permission
• type2permission::Dict{DataType, Permission}; # Resource type => Permission

Required fields:

• id::String

Create resource. If successful return nothing, else return an error message as a String.

Returns the Permission object for client-resource combination if it exists, else returns nothing.

Returns true if the client has permission to act on the resource according to the given action.

Action ust be one of :create, :read, :update, :delete.

Set the expiry of every permission of the client to the given expiry.

Update resource. If successful return nothing, else return an error message as a String.

Delete resource. If successful return nothing, else return an error message as a String.

Read resource. If successful return (true, value), else return (false, errormessage::String).

Returns true if more than one resource ID pattern matches the resource ID.