    import ceylon.language.meta.model {
        Gettable,
        Qualified,
        ValueModel,
        AppliedType = Type,
        IncompatibleTypeException,
        StorageException
    }

    """Abstraction over declarations from which a value can be obtained, namely

       * [[ValueDeclaration]] which abstracts over values and attributes
       * [[ValueConstructorDeclaration]] which represents value constructors
    """
    since("1.2.0")
    shared sealed interface GettableDeclaration {

        /*"Applies this value declaration in order to obtain a value model.
         See [this code sample](#toplevel-sample) for an example on how to use this."
        throws(`class IncompatibleTypeException`, "If the specified `Get` or `Set` type arguments are not compatible with the actual result.")
        shared formal ValueModel<Get>&Gettable<Get> gettableApply<Get=Anything>();

        "Applies the given closed container type to this attribute declaration in order to obtain an attribute model.
         See [this code sample](#member-sample) for an example on how to use this."
        throws(`class IncompatibleTypeException`, "If the specified `Container`, `Get` or `Set` type arguments are not compatible with the actual result.")
        shared formal ValueModel<Get>&Qualified<ValueModel<Get>, Container> memberGettableApply<Container=Nothing, Get=Anything>(AppliedType<Object> containerType);*/

        "Reads the current value of this toplevel value."
        shared formal Anything get();

        "Reads the current value of this attribute on the given container instance."
        throws(`class IncompatibleTypeException`, "If the specified container is not compatible with this attribute.")
        throws(`class StorageException`,
            "If this attribute is not stored at runtime, for example if it is neither shared nor captured.")
        shared formal Anything memberGet(Object container);

    }