CanarySettings 
    class CanarySettings
Configuration settings of a canary deployment.
Types
Properties
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                  The ID of the canary deployment.
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                  The percent (0-100) of traffic diverted to a canary deployment.
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                  Stage variables overridden for a canary release deployment, including new stage variables introduced in the canary. These stage variables are represented as a string-to-string map between stage variable names and their values.
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                  A Boolean flag to indicate whether the canary deployment uses the stage cache or not.