import type { Worksheet } from "./worksheet.js";
/**
 * Form Control Checkbox - Legacy checkbox control compatible with Office 2007+ and WPS/LibreOffice
 *
 * Unlike the modern In-Cell Checkbox (which only works in Microsoft 365),
 * Form Control Checkboxes are floating controls that work in virtually all
 * spreadsheet applications.
 */
/** EMU (English Metric Units) to pixels conversion factor at 96 DPI */
export declare const EMU_PER_PIXEL = 9525;
/** EMU to points conversion factor */
export declare const EMU_PER_POINT = 12700;
/** Anchor position for form control placement */
export interface FormControlAnchor {
    /** Column index (0-based) */
    col: number;
    /** Column offset in EMUs (1 pixel ≈ 9525 EMUs at 96 DPI) */
    colOff: number;
    /** Row index (0-based) */
    row: number;
    /** Row offset in EMUs */
    rowOff: number;
}
/** Checkbox state values */
export type CheckboxState = "Checked" | "Unchecked" | "Mixed";
/** Options for adding a form control checkbox */
export interface FormCheckboxOptions {
    /** Cell reference where the checkbox value (TRUE/FALSE) will be stored */
    link?: string;
    /** Initial checked state */
    checked?: boolean;
    /** Label text displayed next to the checkbox */
    text?: string;
    /** Whether to use flat appearance (no 3D effect) */
    noThreeD?: boolean;
    /** Whether to print the checkbox */
    print?: boolean;
}
/** Internal model for form control checkbox */
export interface FormCheckboxModel {
    /** Unique shape ID (e.g., 1025, 1026, ...) */
    shapeId: number;
    /** Control property ID (rId in relationships) */
    ctrlPropId: number;
    /** Relationship id (e.g., rId5) in sheet rels for ctrlProp (set during XLSX prepare) */
    ctrlPropRelId?: string;
    /** Top-left anchor */
    tl: FormControlAnchor;
    /** Bottom-right anchor */
    br: FormControlAnchor;
    /** Cell link (e.g., "$A$1") */
    link?: string;
    /** Checked state */
    checked: CheckboxState;
    /** Label text */
    text: string;
    /** Use flat appearance */
    noThreeD: boolean;
    /** Print control */
    print: boolean;
}
/** Range input for form control - can be a cell reference or position object */
export type FormControlRange = string | {
    /** Top-left position */
    tl: {
        col: number;
        row: number;
        colOff?: number;
        rowOff?: number;
    } | string;
    /** Bottom-right position (optional, defaults to reasonable size) */
    br?: {
        col: number;
        row: number;
        colOff?: number;
        rowOff?: number;
    } | string;
} | {
    /** Start column (0-based) */
    startCol: number;
    /** Start row (0-based) */
    startRow: number;
    /** End column (0-based) */
    endCol: number;
    /** End row (0-based) */
    endRow: number;
    /** Column offset from start in EMUs */
    startColOff?: number;
    /** Row offset from start in EMUs */
    startRowOff?: number;
    /** Column offset from end in EMUs */
    endColOff?: number;
    /** Row offset from end in EMUs */
    endRowOff?: number;
};
declare class FormCheckbox {
    worksheet: Worksheet;
    model: FormCheckboxModel;
    constructor(worksheet: Worksheet, range: FormControlRange, options?: FormCheckboxOptions);
    /**
     * Rebuild a FormCheckbox from a previously-serialised model (e.g. round-tripped
     * via `worksheet.model`). The model is adopted as-is; no range parsing or shape
     * id reassignment is performed.
     */
    static fromModel(worksheet: Worksheet, model: FormCheckboxModel): FormCheckbox;
    /**
     * Get the checked state
     */
    get checked(): boolean;
    /**
     * Set the checked state
     */
    set checked(value: boolean);
    /**
     * Get the linked cell address
     */
    get link(): string | undefined;
    /**
     * Set the linked cell address
     */
    set link(value: string | undefined);
    /**
     * Get the label text
     */
    get text(): string;
    /**
     * Set the label text
     */
    set text(value: string);
    /**
     * Convert cell reference to absolute format (e.g., "A1" -> "$A$1")
     */
    private _toAbsoluteRef;
    /**
     * Parse range input into anchor positions
     */
    private _parseRange;
    /**
     * Convert anchor to VML anchor string format
     * Format: "fromCol, fromColOff, fromRow, fromRowOff, toCol, toColOff, toRow, toRowOff"
     * VML uses pixels for offsets
     */
    getVmlAnchor(): string;
    /**
     * Get VML style string for positioning
     */
    getVmlStyle(): string;
    /**
     * Get the numeric checked value for VML (0, 1, or 2)
     */
    getVmlCheckedValue(): number;
    /**
     * Convert anchor to VML anchor string format from model
     */
    static getVmlAnchor(model: FormCheckboxModel): string;
    /**
     * Get VML style string for positioning from model
     */
    static getVmlStyle(model: FormCheckboxModel): string;
    /**
     * Get the numeric checked value for VML from model (0, 1, or 2)
     */
    static getVmlCheckedValue(model: FormCheckboxModel): number;
}
export { FormCheckbox };