@startuml

package "pyecharts" {
[charts] --> [EnvironmentManager]
[EchartsEnvironment]
}

package "pyecharts-snapshot" {
[SnapshotEnvironment] --> [snapshot utility]
}


[EnvironmentManager] --> [lml]
[lml] --> [EchartsEnvironment]
[lml] ..> [SnapshotEnvironment]
[snapshot utility] --> ["phantomjs-prebuilt"]

note bottom of [EnvironmentManager]
Newly introduced component to have
more than one rendering environment
end note

note left of [SnapshotEnvironment]
As a extension to EchartsEnvironment,
it renders the output as images
end note

@enduml