export declare enum NgxPopperjsPlacements {
    TOP = "top",
    BOTTOM = "bottom",
    LEFT = "left",
    RIGHT = "right",
    TOPSTART = "top-start",
    BOTTOMSTART = "bottom-start",
    LEFTSTART = "left-start",
    RIGHTSTART = "right-start",
    TOPEND = "top-end",
    BOTTOMEND = "bottom-end",
    LEFTEND = "left-end",
    RIGHTEND = "right-end",
    AUTO = "auto",
    AUTOSTART = "auto-start",
    AUTOEND = "auto-end"
}