import type { Node as ProseMirrorNode } from '@tiptap/pm/model';
/**
 * Caret carried by the same collaboration frame as a document update.
 * It is not a follow-up location message.
 */
export type WorkOfficeCollaborationFrameCaret = {
    readonly kind: 'markdown';
    readonly indexUtf16: number;
} | {
    readonly kind: 'document';
    readonly paragraphId: string;
    readonly textId: string;
    readonly indexUtf16: number;
} | {
    readonly kind: 'spreadsheet';
    readonly sheetId: string;
    readonly row: number;
    readonly column: number;
    /** Present only for spreadsheet-splice. Cell writes omit it. */
    readonly indexUtf16?: number;
} | {
    readonly kind: 'presentation';
    readonly containerKind: 'slide' | 'master' | 'layout';
    readonly containerId: string;
    readonly elementId: string;
    readonly indexUtf16?: number;
} | {
    readonly kind: 'pdf-field';
    readonly fieldId: string;
} | {
    readonly kind: 'pdf-annotation';
    readonly annotationId: string;
};
export interface FrameCaretLineBox {
    readonly from: number;
    readonly to: number;
    readonly left: number;
    readonly top: number;
    readonly right: number;
    readonly bottom: number;
}
export interface FrameCaretPaint {
    readonly head: number;
    readonly left: number;
    readonly top: number;
    readonly width: number;
    readonly height: number;
}
export declare function parseWorkOfficeCollaborationFrameCaret(value: unknown): WorkOfficeCollaborationFrameCaret;
export declare function frameCaretFromOrigin(origin: unknown): WorkOfficeCollaborationFrameCaret | null;
/**
 * Source-editor caret. JavaScript string indexes are UTF-16 code units, so
 * this does not insert a newline for each rendered block.
 */
export declare function markdownSourceCaret(source: string, indexUtf16: number): number | null;
/**
 * Editor caret inside the addressed paragraph. Offsets count that node's text
 * only. Blocks before it do not add a newline.
 */
export declare function documentFrameCaretPosition(document: ProseMirrorNode, caret: {
    readonly paragraphId: string;
    readonly textId: string;
    readonly indexUtf16: number;
}): number | null;
/**
 * Paint the caret the frame already carried, after that update's layout.
 * A follow-up location is not read. A stale or early measure paints nothing
 * and does not fall back to the document end.
 */
export declare function paintFrameCaretAfterLayout(input: {
    readonly layoutSettled: boolean;
    readonly head: number | null;
    readonly documentSize: number;
    readonly lines: readonly FrameCaretLineBox[];
    readonly followUpHead?: number | null;
}): FrameCaretPaint | null;
export declare function lineBoxForCaret(lines: readonly FrameCaretLineBox[], head: number): FrameCaretLineBox | null;