public void setLastUpdatedTimestamp(String lastUpdatedTimestamp) {
        this.lastUpdatedTimestamp = lastUpdatedTimestamp;
    }
The time, in milliseconds since the epoch, when the definition was last updated.

@param lastUpdatedTimestamp
       The time, in milliseconds since the epoch, when the definition was last updated.
aws-java-sdk-greengrass/src/main/java/com/amazonaws/services/greengrass/model/CreateFunctionDefinitionResult.java