What is the use of onSameUrlNavigation property in Angular( versions greater than 5)

Recently I have heard about a property called onSameUrlNavigation where you can set it to "reload". I have googled about it but there are not many articles which shows the use of that property. Can somebody help me with a real time example of where exactly we need to use that property.

@ngModule({
imports: [RouterModule.forRoot(routes, {onSameUrlNavigation: `reload`})],
exports: [RouterModule],
})

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