@vectrejs/vectre/types/components/Popover/Side.d.ts

Complete implementation of Spectre.css on Vue 2.x

export declare enum PopoverSides {
    right = "popover-right",
    left = "popover-left",
    bottom = "popover-bottom",
    top = ""
}
export declare type PopoverSide = keyof typeof PopoverSides;