# Package org.spongepowered.asm.service

Mixin service interface, with base classes for all the moving parts of the Mixin transformation pipeline and supporting infrastructure. Abstracted here and implemented by platform-specific modules.

- Interface Summary
  Interface | Description
  --- | ---
  IClassBytecodeProvider | Interface for object which can provide class bytecode
  IClassProvider | Interface for marshal object which can retrieve classes from the environment
  IClassTracker | Class trackers are responsible for interacting with the class loading process to for the purposes of tracking class load activity and class load restrictions.
  IGlobalPropertyService | Global property service
  ILegacyClassTransformer | Adapter interface for legacy class transformers.
  IMixinAuditTrail | Audit trail is responsible for logging activities during mixin application to target classes for use as debugging information later on.
  IMixinInternal | A mixin internal part, offered to services.
  IMixinService | Mixin Service interface.
  IMixinServiceBootstrap | Bootstrap interface for Mixin services.
  IPropertyKey | Marker interface for property keys
  ISyntheticClassInfo | Interface for information bundle about a synthetic class provided by Mixin.
  ISyntheticClassRegistry | Registry for synthetic classes, used internally to track which classes need to be generated at runtime by the mixin pipeline.
  ITransformer | Base interface for transformer types
  ITransformerProvider | Interface for interacting with transforming classloaders.
  ITreeClassTransformer | Adapter interface for tree class transformers.

- Class Summary
  Class | Description
  --- | ---
  MixinService | Provides access to the service layer which connects the mixin transformer to a particular host environment.
  MixinServiceAbstract | Mixin Service base class

- Exception Summary
  Exception | Description
  --- | ---
  ServiceInitialisationException | Exception thrown when a service fails during initialisation, expected if the service is missing a dependency or is attempting to boot in an incompatible environment

- Error Summary
  Error | Description
  --- | ---
  ServiceNotAvailableError | Error to throw when no service is available in the current environment
  ServiceVersionError | Error to throw when loaded service is out of date or mismatched