FileSystemRegistrar (core 2.44.0 API)

All Known Implementing Classes:

ClassLoaderFileSystem.ClassLoaderFileSystemRegistrar, LocalFileSystemRegistrar
```
@Experimental(FILESYSTEM)
public interface FileSystemRegistrar
```
A registrar that creates FileSystem instances from PipelineOptions.
FileSystem creators have the ability to provide a registrar by creating a ServiceLoader entry and a concrete implementation of this interface.
It is optional but recommended to use one of the many build time tools such as AutoService to generate the necessary META-INF files automatically.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.Iterable<FileSystem<?>>`	`fromOptions(PipelineOptions options)`	Create zero or more `filesystems` from the given `PipelineOptions`.

- Method Detail
  - fromOptions
```
java.lang.Iterable<FileSystem<?>> fromOptions(PipelineOptions options)
```
    Create zero or more filesystems from the given PipelineOptions.
    Each scheme is required to be unique among all FileSystems registered by all FileSystemRegistrars.