VocabularySummary 
    class VocabularySummary
Contains summary information about the custom vocabulary.
Types
Properties
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                  The reason why the custom vocabulary was not created.
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                  The language code of the vocabulary entries. For a list of languages and their corresponding language codes, see What is Amazon Transcribe?
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                  The timestamp when the custom vocabulary was last modified.
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                  The current state of the custom vocabulary.