CelDescriptorPool

All Known Implementing Classes:

CombinedDescriptorPool, DefaultDescriptorPool
```
@Immutable
@Internal
public interface CelDescriptorPool
```
CelDescriptorPool allows lookup of descriptors for message types and field descriptors for Proto2 extension messages.
CEL Library Internals. Do Not Use.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Optional<Descriptors.Descriptor>`	`findDescriptor(java.lang.String name)`	Finds the descriptor by fully qualified message type.
`java.util.Optional<Descriptors.FieldDescriptor>`	`findExtensionDescriptor(Descriptors.Descriptor containingDescriptor, java.lang.String fieldName)`	Finds the corresponding field descriptor for an extension field on a message.
`ExtensionRegistry`	`getExtensionRegistry()`	Retrieves the registered extension registry.

- Method Detail
  - findDescriptor
```
java.util.Optional<Descriptors.Descriptor> findDescriptor(java.lang.String name)
```
    Finds the descriptor by fully qualified message type.
  - findExtensionDescriptor
```
java.util.Optional<Descriptors.FieldDescriptor> findExtensionDescriptor(Descriptors.Descriptor containingDescriptor,
                                                                        java.lang.String fieldName)
```
    Finds the corresponding field descriptor for an extension field on a message. The field name must be fully-qualified.
  - getExtensionRegistry
```
ExtensionRegistry getExtensionRegistry()
```
    Retrieves the registered extension registry. This is specifically needed to handle unpacking Any messages containing Proto2 extension messages.