Uses of Package
com.intellij.lang.annotation

Packages that use com.intellij.lang.annotation
com.intellij.lang Provides base interfaces which allow to extend IDEA with support for custom languages. 
com.intellij.lang.annotation Provides interfaces for implementing additional syntax highlighting, error and warning highlighting in custom languages. 
 

Classes in com.intellij.lang.annotation used by com.intellij.lang
Annotator
          Implemented by a custom language plugin to add annotations to files in the language.
ExternalAnnotator
          Implemented by a custom language plugin to process the files in a language by an external annotation tool.
 

Classes in com.intellij.lang.annotation used by com.intellij.lang.annotation
Annotation
          Defines an annotation, which is displayed as a gutter bar mark or an extra highlight in the editor.
AnnotationHolder
          Allows a custom language plugin to define annotations for files in that language.
HighlightSeverity
          Defines a highlighting severity level for an annotation.