import { Emitter } from '@mantou/gem/lib/decorators';
import { GemElement } from '@mantou/gem/lib/element';
import './reflect';
declare type SelectionMode = 'new' | 'append' | 'delete';
declare type State = {
    start?: [number, number];
    stop?: [number, number];
    rect: SelectionRect;
    mode: SelectionMode;
};
declare type SelectionRect = {
    left: number;
    right: number;
    bottom: number;
    top: number;
    width: number;
    height: number;
};
export declare type SelectionChange = {
    rect: SelectionRect;
    mode: SelectionMode;
};
/**
 * @customElement dy-selection-box
 */
export declare class DuoyunSelectionBoxElement extends GemElement<State> {
    #private;
    change: Emitter<SelectionChange>;
    selecting: boolean;
    state: State;
    mounted: () => () => void;
    render: () => import("lit-html/lib/template-result").TemplateResult;
}
/**
 * @customElement dy-selection-box-mask
 */
export declare class DuoyunSelectionBoxMaskElement extends GemElement {
}
export {};
//# sourceMappingURL=selection-box.d.ts.map