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Command Command: Invoke program Command: Presetting Args Command: RedirectTo Command: DynCommand Command: Aliases from Config Command: Event Handlers Flag Flag: Required Flag: Toggle Group Flag: Valid Args Flag: `Head -1` style Flag: External Editor Flag: Negatable Flag: Leading Plus Sign `+`Flag: Event Handlers 解析结果 Builtin Commands & Flags 帮助子系统 Shared App 辨析 Package level functions WithOpts Backstage

Auto-close the Closers Read config into struct Using is Detectors Using Store

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