import type { sheets_v4 } from '@googleapis/sheets';
import type { DataFilter } from '../entities/DataFilter.js';
import { DeveloperMetadataLocation } from '../entities/DeveloperMetadataLocation.js';
/**
 * Data filters cross the boundary in both directions: requests carry them in
 * (where every nesting level needs its `undefined` keys stripped for Google's
 * types), and responses echo them back (where nulls clean to undefined and
 * enums narrow). These converters are that boundary, used by every
 * `*_by_data_filter` operation and the developer metadata search.
 */
/** Convert an entity metadata location into the REST request shape (forGoogle is shallow; each level strips its own undefined keys). */
export declare function toGoogleDeveloperMetadataLocation(location: DeveloperMetadataLocation): sheets_v4.Schema$DeveloperMetadataLocation;
/** Convert an entity data filter into the REST request shape, stripping undefined at every level. */
export declare function toGoogleDataFilter(filter: DataFilter): sheets_v4.Schema$DataFilter;
/** Project a REST developer metadata location, cleaning nulls and narrowing enums. */
export declare function projectDeveloperMetadataLocation(data: sheets_v4.Schema$DeveloperMetadataLocation): DeveloperMetadataLocation;
/** Project a REST data filter (as echoed in responses), cleaning nulls to undefined. */
export declare function projectDataFilter(data: sheets_v4.Schema$DataFilter): DataFilter;
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