(terraform-plugin-framework) What is the replacement for `WaitForState` or `RetryContext`

Terraform Providers Plugin Development
4

Even after using github.com/cenkalti/backoff/v4 v4.1.3, go compiler fails to compile the terraform provider.

$ go build
# github.com/hashicorp/terraform-plugin-framework/internal/proto6server
../../go/pkg/mod/github.com/hashicorp/terraform-plugin-framework@v1.4.2/internal/proto6server/serve.go:14:34: cannot use &Server{} (value of type *Server) as tfprotov6.ProviderServer value in variable declaration: *Server does not implement tfprotov6.ProviderServer (missing method CallFunction)
# github.com/hashicorp/terraform-plugin-framework/internal/proto5server
../../go/pkg/mod/github.com/hashicorp/terraform-plugin-framework@v1.4.2/internal/proto5server/serve.go:14:34: cannot use &Server{} (value of type *Server) as tfprotov5.ProviderServer value in variable declaration: *Server does not implement tfprotov5.ProviderServer (missing method CallFunction)

Here’s the provider’s go.mod