/**
 * Mutable sheet collection for {@link Workbook}.
 *
 * @private Not part of the public API. Application code uses
 * `Workbook.worksheets`, `Workbook.sheet`, `Workbook.addSheet`,
 * `Workbook.removeSheet`, and `Workbook.moveSheet` (API-RULES R1.5).
 *
 * Citations: CT_Sheets / CT_Sheet in transitional `sml.xsd`; worksheet rel types in
 * `src/xlsx/core/package/constants.ts`.
 */
import { OpcPackage } from '../core/package/opc-package';
import { OpcRelationship } from '../core/package/relationships';
import { SheetVisibility, SheetXmlEntry } from './workbook-xml';
import { Worksheet, WorksheetCellHost } from './worksheet';
import { WorksheetImpl } from './worksheet';
/**
 * Host callbacks supplied by {@link Workbook}.
 * @private
 */
export interface SheetCollectionHost {
    readonly package: OpcPackage;
    readonly workbookPartName: string;
    markDirty(): void;
    /** Notify defined-names of a sheet removed at zero-based index. */
    onSheetRemoved(deletedIndex: number): void;
    /** Notify defined-names of a sheet reorder. */
    onSheetMoved(fromIndex: number, toIndex: number): void;
    allocateSheetId(): number;
    allocateRelationshipId(): string;
    nextWorksheetPartName(): string;
    createWorksheetCellHost(): WorksheetCellHost;
    getPrintName(name: 'Print_Area' | 'Print_Titles', sheetIndex: number): string | undefined;
    setPrintName(name: 'Print_Area' | 'Print_Titles', sheetIndex: number, content: string | undefined): void;
}
/**
 * Ordered collection of worksheets (and preservable non-worksheet sheets).
 * @private
 */
export declare class SheetCollection {
    private readonly host;
    private readonly items;
    /** @private */
    constructor(host: SheetCollectionHost, sheets: ReadonlyArray<WorksheetImpl>);
    /**
     * Number of sheets in workbook order.
     */
    readonly length: number;
    /**
     * Sheet at zero-based index.
     * @throws RangeError when out of bounds
     */
    get(index: number): Worksheet;
    getPrintName(name: 'Print_Area' | 'Print_Titles', sheet: WorksheetImpl): string | undefined;
    setPrintName(name: 'Print_Area' | 'Print_Titles', sheet: WorksheetImpl, content: string | undefined): void;
    /**
     * Find sheet by name (case-insensitive).
     */
    getByName(name: string): Worksheet | undefined;
    /**
     * Iterate sheets in workbook.xml order.
     */
    [Symbol.iterator](): Iterator<Worksheet>;
    /**
     * Add a new visible worksheet. Optional name defaults to `SheetN`.
     */
    add(name?: string): Worksheet;
    /**
     * Remove a worksheet. Fails if it is the last worksheet-kind sheet.
     */
    remove(sheet: Worksheet): void;
    /**
     * Move sheet from one index to another (reorder).
     */
    move(fromIndex: number, toIndex: number): void;
    /** @private */
    rename(sheet: WorksheetImpl, newName: string): void;
    /** @private */
    setVisibility(sheet: WorksheetImpl, visibility: SheetVisibility): void;
    /** @private — snapshot for serialize */
    toXmlEntries(): SheetXmlEntry[];
    /** @private */
    assertUniqueName(name: string, except?: WorksheetImpl): void;
    private defaultNewName;
}
/**
 * Create collection and bound worksheets from parsed entries + package rels.
 * @private
 */
export declare function createSheetCollection(host: SheetCollectionHost, entries: ReadonlyArray<SheetXmlEntry>, relationships: ReadonlyArray<OpcRelationship>): SheetCollection;
/**
 * Relative Target from workbook part to worksheet part (e.g. `worksheets/sheet1.xml`).
 * @private
 */
export declare function relativeTargetFromWorkbook(workbookPartName: string, sheetPartName: string): string;