permissionRoleToString function
Converts PermissionRole to a string.
Implementation
String permissionRoleToString(PermissionRole role) {
return switch (role) {
PermissionRole.owner => 'OWNER',
PermissionRole.writer => 'WRITER',
PermissionRole.reader => 'READER',
PermissionRole.unspecified => 'ROLE_UNSPECIFIED',
};
}