cannot use (*immutableTree)(nil) (value of type *immutableTree) as Tree value in variable declaration: *immutableTree does not implement Tree (wrong type for method Get)

cannot use (*iavl.MutableTree)(nil) (value of type *"github.com/cosmos/iavl".MutableTree) as Tree value in variable declaration: *"github.com/cosmos/iavl".MutableTree does not implement Tree (wrong type for method Get)

cannot use tree (variable of type *"github.com/cosmos/iavl".MutableTree) as Tree value in struct literal: *"github.com/cosmos/iavl".MutableTree does not implement Tree (wrong type for method Get)

cannot use tree (variable of type *"github.com/cosmos/iavl".MutableTree) as Tree value in struct literal: *"github.com/cosmos/iavl".MutableTree does not implement Tree (wrong type for method Get)

cannot use &immutableTree{…} (value of type *immutableTree) as Tree value in struct literal: *immutableTree does not implement Tree (wrong type for method Get)

cannot use &immutableTree{…} (value of type *immutableTree) as Tree value in struct literal: *immutableTree does not implement Tree (wrong type for method Get)

impossible type switch case: *immutableTree

impossible type switch case: *iavl.MutableTree

impossible type switch case: *immutableTree