import type { sheets_v4 } from '@googleapis/sheets';
import type { ConditionalFormatRuleReadout } from '../entities/ConditionalFormatRuleReadout.js';
import type { NamedRange } from '../entities/NamedRange.js';
import { SheetProperties } from '../entities/SheetProperties.js';
import type { Spreadsheet } from '../entities/Spreadsheet.js';
/** Project REST sheet properties onto the SheetProperties shape, cleaning nulls to undefined. */
export declare function projectSheetProperties(data: sheets_v4.Schema$SheetProperties): SheetProperties;
/** Project a REST named range onto the NamedRange shape, cleaning nulls to undefined. */
export declare function projectNamedRange(data: sheets_v4.Schema$NamedRange): NamedRange;
/**
 * Project a REST conditional format rule onto the open readout shape. Total
 * by design: rules are addressed by array index, so every rule projects
 * (type fields stay open strings rather than narrowed enums) and none is
 * ever dropped, or every rule after it would silently renumber.
 */
export declare function projectConditionalFormatRule(data: sheets_v4.Schema$ConditionalFormatRule): ConditionalFormatRuleReadout;
/**
 * Project a REST spreadsheet onto the Spreadsheet shape: each `Sheet`
 * flattens to its properties plus its sheet-level collections (filters,
 * protected ranges, conditional format rules, banded ranges, ordered dimension
 * groups, slicers, merged ranges), grid data is never carried, and nulls clean
 * to undefined.
 */
export declare function projectSpreadsheet(data: sheets_v4.Schema$Spreadsheet): Spreadsheet;
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