A handler to be called when the system intercepts a back action in user navigation.
If the handler returns false, event bubbling will stop, and no other handlers will be called. Additionally, back navigation will be prevented.
To perform a programmatic back action, ensure that you clean up any existing backHandlers to prevent creating a loop cycle.
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A handler to be called when the system intercepts a back action in user navigation.
If the handler returns false, event bubbling will stop, and no other handlers will be called. Additionally, back navigation will be prevented.
To perform a programmatic back action, ensure that you clean up any existing backHandlers to prevent creating a loop cycle.