/**
 * @license
 * Copyright 2021 Google LLC. All Rights Reserved.
 * 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 { TaskModel } from '../../task_model';
import { Class } from '../common';
/**
 * The base class for all ImageClassification task models.
 *
 * @template IO The type of options used during the inference process. Different
 *     models have different inference options. See individual model for more
 *     details.
 *
 * @doc {heading: 'Image Classification', subheading: 'Base model'}
 */
export declare abstract class ImageClassifier<IO> implements TaskModel {
    /**
     * Performs classification on the given image-like input, and returns
     * result.
     *
     * @param img The image-like element to run classification on.
     * @param options Inference options. Different models have different
     *     inference options. See individual model for more details.
     * @returns
     *
     * @docunpackreturn ['ImageClassificationResult', 'Class']
     * @doc {heading: 'Image Classification', subheading: 'Base model'}
     */
    abstract predict(img: ImageData | HTMLImageElement | HTMLCanvasElement | HTMLVideoElement, options?: IO): Promise<ImageClassificationResult>;
    /**
     * Cleans up resources if needed.
     *
     * @doc {heading: 'Image Classification', subheading: 'Base model'}
     */
    cleanUp(): void;
}
/** Image classification result. */
export interface ImageClassificationResult {
    /** All predicted classes. */
    classes: Class[];
}