import RichTextDocument from "../../text/RichTextDocument";
import { BlockElement, ContainerElement, SelectionDetail, Editor, ClearSelectionOptions } from "../../interface";
export declare function mergeBlock(before: BlockElement, after: BlockElement, deleteAfter?: boolean): boolean;
export declare function deleteBlockText(block: BlockElement, from: number, to: number): void;
export declare function insertBlockText(block: BlockElement, from: number, text: string): void;
export declare function insertBlockRichText(block: BlockElement, from: number, richText: RichTextDocument): void;
interface ClearSelectionResult {
    deleteNothing?: boolean;
    deleteOneTextBlockText?: boolean;
    deleteOneBlock?: boolean;
    deleteMultiBlocks?: boolean;
    deleteStart?: boolean;
    deleteEnd?: boolean;
    merged?: boolean;
    focusBlocks?: (BlockElement | null)[];
    focusOffset?: number;
}
export declare function clearSelectionCore(editor: Editor, detail: SelectionDetail, options: ClearSelectionOptions): ClearSelectionResult;
export declare function clearSelection(detail: SelectionDetail, options: ClearSelectionOptions): void;
interface DeleteMultiBlockOptions {
    remote: boolean;
    fixCaret: boolean;
}
export declare function remoteDeleteBlocks(container: ContainerElement, blocks: BlockElement[], options: DeleteMultiBlockOptions): void;
export declare function clearContainer(container: ContainerElement): BlockElement;
export {};