import type { BlockHandler } from "./BlockHandler";
import type { SlotHandler } from "./SlotHandler";
import type { BlockContext } from "./BlockContext";
export interface IBClipboardData {
    readonly isIBClipboardData: true;
    readonly ibContextBrand: string;
    readonly ibContextUUID?: string;
    readonly blocksData: any[];
}
export declare function isIBClipboardData(data: any, limitToBrand?: string): data is IBClipboardData;
export declare type IBPasteAction = InstanceType<typeof IBPasteAction>;
export declare const IBPasteAction: new (data: {
    readonly type: "paste";
    readonly ctx: BlockContext;
    readonly data: IBClipboardData;
    readonly slot: SlotHandler;
    readonly index: number;
}) => {
    readonly type: "paste";
    readonly ctx: BlockContext;
    readonly data: IBClipboardData;
    readonly slot: SlotHandler;
    readonly index: number;
} & {
    preventDefault(): void;
    returnValue: boolean;
};
export declare type IBCutAction = InstanceType<typeof IBCutAction>;
export declare const IBCutAction: new (data: {
    readonly type: "cut";
    readonly ctx: BlockContext;
    readonly slot: SlotHandler;
    /** the blocks to be cut, in selector order */
    readonly blocks: BlockHandler[];
    /**
     * the indexes of blocks to be cut, in selector order
     *
     * @see indexesDescending
     */
    readonly indexes: number[];
    /**
     * the indexes of blocks to be cut, in descending order
     *
     * the descending order may help you wipe out the items one-by-one safely:
     *
     * ```js
     * action.indexesDescending.forEach(index => {
     *   array.splice(index, 1);
     * })
     * ```
     */
    readonly indexesDescending: number[];
}) => {
    readonly type: "cut";
    readonly ctx: BlockContext;
    readonly slot: SlotHandler;
    /** the blocks to be cut, in selector order */
    readonly blocks: BlockHandler[];
    /**
     * the indexes of blocks to be cut, in selector order
     *
     * @see indexesDescending
     */
    readonly indexes: number[];
    /**
     * the indexes of blocks to be cut, in descending order
     *
     * the descending order may help you wipe out the items one-by-one safely:
     *
     * ```js
     * action.indexesDescending.forEach(index => {
     *   array.splice(index, 1);
     * })
     * ```
     */
    readonly indexesDescending: number[];
} & {
    preventDefault(): void;
    returnValue: boolean;
};
export declare type IBMoveInSlotAction = InstanceType<typeof IBMoveInSlotAction>;
export declare const IBMoveInSlotAction: new (data: {
    readonly type: "moveInSlot";
    readonly ctx: BlockContext;
    readonly slot: SlotHandler;
    /** source blocks. theirs ownerSlot is the same as current slot! */
    readonly blocks: BlockHandler[];
    /** position after removing blocks, before inserting */
    readonly index: number;
}) => {
    readonly type: "moveInSlot";
    readonly ctx: BlockContext;
    readonly slot: SlotHandler;
    /** source blocks. theirs ownerSlot is the same as current slot! */
    readonly blocks: BlockHandler[];
    /** position after removing blocks, before inserting */
    readonly index: number;
} & {
    preventDefault(): void;
    returnValue: boolean;
};
export declare type IBMoveBetweenSlotsAction = InstanceType<typeof IBMoveBetweenSlotsAction>;
export declare const IBMoveBetweenSlotsAction: new (data: {
    readonly type: "moveBetweenSlots";
    readonly ctx: BlockContext;
    readonly fromSlot: SlotHandler | null;
    /** source blocks. theirs ownerSlot is the same as fromSlot! */
    readonly blocks: BlockHandler[];
    readonly toSlot: SlotHandler;
    readonly index: number;
}) => {
    readonly type: "moveBetweenSlots";
    readonly ctx: BlockContext;
    readonly fromSlot: SlotHandler | null;
    /** source blocks. theirs ownerSlot is the same as fromSlot! */
    readonly blocks: BlockHandler[];
    readonly toSlot: SlotHandler;
    readonly index: number;
} & {
    preventDefault(): void;
    returnValue: boolean;
};
export declare type IBAction = IBPasteAction | IBCutAction | IBMoveInSlotAction | IBMoveBetweenSlotsAction;
export declare type IBBlockDragStartAction = InstanceType<typeof IBBlockDragStartAction>;
export declare const IBBlockDragStartAction: new (data: {
    readonly type: "blockDragStart";
    readonly ctx: BlockContext;
    /** all selected blocks that will be dragged */
    readonly blocks: readonly BlockHandler[];
    /** the current block which fires dragStart event */
    readonly currentBlock: BlockHandler;
    readonly event: DragEvent;
    readonly dataTransfer: DataTransfer;
    /** text content that writes to the dataTransfer. can be updated here. */
    text: string;
}) => {
    readonly type: "blockDragStart";
    readonly ctx: BlockContext;
    /** all selected blocks that will be dragged */
    readonly blocks: readonly BlockHandler[];
    /** the current block which fires dragStart event */
    readonly currentBlock: BlockHandler;
    readonly event: DragEvent;
    readonly dataTransfer: DataTransfer;
    /** text content that writes to the dataTransfer. can be updated here. */
    text: string;
} & {
    preventDefault(): void;
    returnValue: boolean;
};
export declare type IBSlotBeforeDropAction = InstanceType<typeof IBSlotBeforeDropAction>;
export declare const IBSlotBeforeDropAction: new (data: {
    readonly type: "slotBeforeDrop";
    readonly ctx: BlockContext;
    readonly slot: SlotHandler;
    readonly indexToDrop: number;
    readonly isDraggingFromCurrentCtx: boolean;
    /** if drag source is from current BlockContext, this will be the array of current dragging blocks */
    readonly draggingBlocks?: readonly BlockHandler[] | undefined;
    readonly event: DragEvent;
    readonly dropEffect: "none" | "copy" | "link" | "move";
    readonly dataTransfer: DataTransfer;
}) => {
    readonly type: "slotBeforeDrop";
    readonly ctx: BlockContext;
    readonly slot: SlotHandler;
    readonly indexToDrop: number;
    readonly isDraggingFromCurrentCtx: boolean;
    /** if drag source is from current BlockContext, this will be the array of current dragging blocks */
    readonly draggingBlocks?: readonly BlockHandler[] | undefined;
    readonly event: DragEvent;
    readonly dropEffect: "none" | "copy" | "link" | "move";
    readonly dataTransfer: DataTransfer;
} & {
    preventDefault(): void;
    returnValue: boolean;
};