/**
 * Parses the extended field-mask syntax used by the SDK.
 *
 * The parser accepts wildcards, JSON-quoted keys, and groups after a common
 * path prefix. It ignores whitespace around commas and dots and inside groups.
 * Empty groups are valid.
 *
 * The grammar is:
 *
 * ```text
 * mask      := union
 * union     := path ("," path)*
 * path      := factor ("." factor)*
 * factor    := segment | group
 * segment   := "*" | plainKey | quotedKey
 * group     := "(" union? ")"
 * plainKey  := [a-zA-Z0-9_]+
 * quotedKey := '"' <JSON string characters> '"'
 * ```
 *
 * Application code normally uses {@link Mask.parse} or
 * {@link https://nebius.github.io/js-sdk/functions/runtime_fieldmask.parseFieldMask.html | parseFieldMask()}
 * from `@nebius/js-sdk/runtime/fieldmask`.
 *
 * @packageDocumentation
 */
import { Mask } from './fieldmask.js';
/**
 * Parses field-mask text into a {@link Mask}.
 *
 * The syntax supports comma-separated paths, `*` segments, JSON-quoted keys,
 * and groups after a shared prefix. For example,
 * `spec.(resources,cloud_init),metadata` contains three paths. Spaces around
 * separators are ignored.
 *
 * Most applications can use {@link Mask.parse} or
 * {@link https://nebius.github.io/js-sdk/functions/runtime_fieldmask.parseFieldMask.html | parseFieldMask()}
 * from `@nebius/js-sdk/runtime/fieldmask`.
 *
 * @throws `Error` when the input contains an invalid key, an incomplete path,
 * an unclosed group, or other trailing text.
 */
export declare function parseMask(source: string): Mask;
//# sourceMappingURL=fieldmask_parser.d.ts.map