@react-native-firebase/firestore/lib/modular/FieldPath.d.ts

React Native Firebase - Cloud Firestore is a NoSQL cloud database to store and sync data between your React Native application and Firebase's database. The API matches the Firebase Web SDK whilst taking advantage of the native SDKs performance and offline

/**
 * A `FieldPath` refers to a field in a document. The path may consist of a
 * single field name (referring to a top-level field in the document), or a
 * list of field names (referring to a nested field in the document).
 *
 * Create a `FieldPath` by providing field names. If more than one field
 * name is provided, the path will point to a nested field in a document.
 */
export declare class FieldPath {
  constructor(...fieldNames: string[]);

  isEqual(other: FieldPath): boolean;
}

/**
 * Returns a special sentinel FieldPath to refer to the ID of a document
 * It can be used in queries to sort or filter by the document ID
 */

export declare function documentId(): FieldPath;