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"""An annotation that may occur multiple times at a given 
   program element, and only on certain program elemenets.
 
   A sequenced annotation is declared simply by having the 
   annotation class satisfy `SequencedAnnotation` instead of 
   [[Annotation]]. For example the following would only be 
   allowed on `class` declarations, functions or methods:
 
       alias ExecutableDeclaration 
              => ClassOrInterfaceDeclaration|FunctionDeclaration;
       "Documents a pattern in which the annotated element 
        particpates."
       shared final annotation class Pattern(String name) 
               satisfies SequencedAnnotation {}
   
   At runtime a [[ceylon.language.meta.declaration::Declaration]] 
   instance can be queried for its `SequencedAnnotation`s of 
   a certain type using [[ceylon.language.meta::annotations]] 
   or [[ceylon.language.meta::sequencedAnnotations]]."""
see(`interface Annotation`)
shared interface SequencedAnnotation
        of Value
        satisfies ConstrainedAnnotation
            
        given Value satisfies SequencedAnnotation
            
        given ProgramElement satisfies Annotated {}