/**
 * Worksheet sheet format properties (`CT_SheetFormatPr`).
 *
 * Citations:
 * - transitional sml.xsd `CT_SheetFormatPr` (~L2222–2232):
 *   `baseColWidth`, `defaultColWidth`, **`defaultRowHeight` (required)**,
 *   `customHeight`, `zeroHeight`, `thickTop`, `thickBottom`,
 *   `outlineLevelRow`, `outlineLevelCol`
 * - `CT_Worksheet` sequence: sheetPr → dimension → sheetViews →
 *   **sheetFormatPr** → cols → sheetData (~L2123–2125 / ~L2175–2177)
 * - docs/requirements/row-column-properties.md
 * - docs/specs/standard-height.md; docs/ooxml-mapping/standard-height.md
 *
 * Public authoring uses
 * {@link import('../workbook/worksheet').Worksheet.standardHeight} only.
 * Other `sheetFormatPr` attributes round-trip via `extraAttrsXml`.
 *
 * @private
 */
/**
 * Wire model for one `sheetFormatPr` element.
 * @private
 */
export interface SheetFormatPrModel {
    /**
     * Whether a `sheetFormatPr` element is present (authored or loaded).
     * When false, the serializer omits the element entirely.
     */
    readonly present: boolean;
    /**
     * Sheet default row height in points (`@defaultRowHeight`).
     * XSD marks the attribute required when the element is present; authoring
     * always emits it. Soft-absent on parse when missing/non-finite/negative.
     */
    readonly defaultRowHeight: number | undefined;
    /**
     * Opaque extra attributes excluding the modeled `defaultRowHeight`.
     * Carries baseColWidth, defaultColWidth, customHeight, zeroHeight,
     * thick*, outlineLevel*, and any future unrecognized attrs.
     */
    readonly extraAttrsXml: string;
}
/** @private */
export interface SheetFormatPrHost {
    markDirty(): void;
}
/** Empty / absent element. @private */
export declare const EMPTY_SHEET_FORMAT_PR: SheetFormatPrModel;
/**
 * `CT_Worksheet` local names that legally precede `sheetFormatPr`
 * (before `sheetData`).
 * @private
 */
export declare const SHEET_FORMAT_PR_PREDECESSORS: ReadonlyArray<string>;
/**
 * `CT_Worksheet` local names that follow `sheetFormatPr` before `sheetData`.
 * @private
 */
export declare const SHEET_FORMAT_PR_SUCCESSORS_BEFORE_SHEET_DATA: ReadonlyArray<string>;
/**
 * Insert index for a modeled `sheetFormatPr` among before-sheetData children.
 * After the last predecessor; before the first successor; else append.
 * @private
 */
export declare function findSheetFormatPrInsertIndex(localNames: ReadonlyArray<string>): number;
/**
 * Parse a `sheetFormatPr` element string into a model.
 * Soft-skips invalid `defaultRowHeight`; preserves all other attrs.
 * @private
 */
export declare function parseSheetFormatPrXml(elementXml: string): SheetFormatPrModel;
/**
 * Serialize a sheetFormatPr model. Omits when `present` is false and nothing
 * authored. When present, always emits required `@defaultRowHeight`
 * (XSD use="required"); uses `0` if height is still undefined so the element
 * stays schema-valid.
 * @private
 */
export declare function serializeSheetFormatPrXml(model: SheetFormatPrModel): string | undefined;
/**
 * Mutable sheet-format store for default row height.
 * @private
 */
export declare class SheetFormatPrImpl {
    private present;
    private defaultRowHeight;
    private extraAttrsXml;
    private host;
    bindHost(host: SheetFormatPrHost): void;
    replaceFromParse(model: SheetFormatPrModel | undefined): void;
    toModel(): SheetFormatPrModel;
    /**
     * Public getter contract: `0` when the sheet has no authored/loaded
     * default row height (mirrors `getRowHeight` / `getColumnWidth`).
     */
    getStandardHeight(): number;
    setStandardHeight(height: number): void;
    private markDirty;
}