This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
A message may declare any number of local variables or aliases, each with a value defined by a placeholder. The order of the declarations is not relevant, but a valid message may not include a dependency loop amond them.
export interface Declaration
|target||VariableRef | Junk||(BETA)|
|value||Placeholder | Junk||(BETA)|