/**
 * @license
 * Copyright 2024 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { CountTokensRequest, CountTokensResponse, SingleRequestOptions } from '../types';
import { ApiSettings } from '../types/internal';
/**
 * Counts the number of tokens in a request body.
 *
 * @param apiSettings The {@link ApiSettings} to use for the request.
 * @param model The model to use for the request.
 * @param params The {@link CountTokensRequest} to send.
 * @param requestOptions The {@link SingleRequestOptions} to use for the request.
 * @returns The {@link CountTokensResponse} from the request.
 */
export declare function countTokens(apiSettings: ApiSettings, model: string, params: CountTokensRequest, requestOptions?: SingleRequestOptions): Promise<CountTokensResponse>;
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