/// <reference types="react" />
export type ModifierKeys = {
    shiftKey: boolean;
    ctrlKey: boolean;
    metaKey: boolean;
    altKey: boolean;
};
export type KeyEvent = PointerEvent | MouseEvent | KeyboardEvent | React.DragEvent | React.PointerEvent | React.MouseEvent | ModifierKeys;
export type PaneTarget = "active-pane" | "new-pane" | "popout-window" | "new-tab" | "md-properties";
export type ExternalDragAction = "insert-link" | "image-url" | "image-import" | "embeddable";
export type InternalDragAction = "link" | "image" | "image-fullsize" | "embeddable";
export declare const labelCTRL: () => "CMD" | "CTRL";
export declare const labelALT: () => "OPT" | "ALT";
export declare const labelMETA: () => "CTRL" | "WIN" | "META";
export declare const labelSHIFT: () => string;
export declare const isCTRL: (e: KeyEvent) => boolean;
export declare const isALT: (e: KeyEvent) => boolean;
export declare const isMETA: (e: KeyEvent) => boolean;
export declare const isSHIFT: (e: KeyEvent) => boolean;
export declare const setCTRL: (e: ModifierKeys, value: boolean) => ModifierKeys;
export declare const setALT: (e: ModifierKeys, value: boolean) => ModifierKeys;
export declare const setMETA: (e: ModifierKeys, value: boolean) => ModifierKeys;
export declare const setSHIFT: (e: ModifierKeys, value: boolean) => ModifierKeys;
export declare const mdPropModifier: (ev: KeyEvent) => boolean;
export declare const scaleToFullsizeModifier: (ev: KeyEvent) => boolean;
export declare const linkClickModifierType: (ev: KeyEvent) => PaneTarget;
export declare const externalDragModifierType: (ev: KeyEvent) => ExternalDragAction;
export declare const internalDragModifierType: (ev: KeyEvent) => InternalDragAction;
export declare const emulateCTRLClickForLinks: (e: KeyEvent) => {
    shiftKey: boolean;
    ctrlKey: boolean;
    metaKey: boolean;
    altKey: boolean;
};
export declare const emulateKeysForLinkClick: (action: PaneTarget) => ModifierKeys;
export declare const anyModifierKeysPressed: (e: ModifierKeys) => boolean;