export interface ViewportBox {
    left: number;
    top: number;
    right: number;
    bottom: number;
    width: number;
    height: number;
}
export interface Overflow {
    left: number;
    top: number;
    right: number;
    bottom: number;
    total: number;
}
export declare enum OverflowClassification {
    ACCEPT = "accept",
    CROSS = "cross",
    PRIMARY = "primary",
    MIXED = "mixed"
}