import type { sheets_v4 } from '@googleapis/sheets';
import type { Border } from '../entities/Border.js';
import type { CellFormat } from '../entities/CellFormat.js';
import { ColorStyle } from '../entities/ColorStyle.js';
import type { TextFormat } from '../entities/TextFormat.js';
/**
 * Format-noun carriers: the request-direction mirror of spreadsheet.ts's
 * projections, taking documented entities across the Google boundary with
 * `forGoogle` at each level (see optionality.ts). Each carrier enumerates its
 * entity's fields by hand, so a field added to an entity without a carrier
 * line compiles unchanged and silently drops at the boundary; the handler
 * tests' exact-params assertions are the guard, so extend them with the field.
 */
/**
 * Carry a ColorStyle across the Google boundary. Enforces the entity's
 * documented exactly-one rule here, once, for every input path (tab colors,
 * fills, text foregrounds, borders): the REST field is a oneof, and Google
 * rejects both-set with "oneof field 'kind' is already set" (live-verified).
 * The rule stays out of the entity itself because the output projection
 * deliberately degrades an unknown theme color to an empty ColorStyle.
 */
export declare function toColorStyle(colorStyle: ColorStyle): sheets_v4.Schema$ColorStyle;
/** Carry a TextFormat across the Google boundary. */
export declare function toTextFormat(textFormat: TextFormat): sheets_v4.Schema$TextFormat;
/** Project a REST text format, cleaning nulls and narrowing its color style. */
export declare function projectTextFormat(data: sheets_v4.Schema$TextFormat): TextFormat;
/** Carry a CellFormat across the Google boundary. */
export declare function toCellFormat(format: CellFormat): sheets_v4.Schema$CellFormat;
/** Carry a Border across the Google boundary. */
export declare function toBorder(border: Border): sheets_v4.Schema$Border;
/** Project a REST color style onto the ColorStyle shape, dropping unknown theme colors. */
export declare function projectColorStyle(data: sheets_v4.Schema$ColorStyle): ColorStyle;
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