code: func (s *ResourceState) ProviderAddr() (addrs.AbsProviderConfig, error) {
  	var diags tfdiags.Diagnostics
  
  	str := s.Provider
  	traversal, travDiags := hclsyntax.ParseTraversalAbs([]byte(str), "", hcl.Pos{Line: 1, Column: 1})
  	diags = diags.Append(travDiags)
  	if travDiags.HasErrors() {
  		return addrs.AbsProviderConfig{}, diags.Err()
  	}
  
  	addr, addrDiags := addrs.ParseAbsProviderConfig(traversal)
  	diags = diags.Append(addrDiags)
  	return addr, diags.Err()
  }
docs: // ProviderAddr returns the provider address for the receiver, by parsing the
  // string representation saved in state. An error can be returned if the
  // value in state is corrupt.