import type { BinaryWriteOptions } from "@protobuf-ts/runtime";
import type { IBinaryWriter } from "@protobuf-ts/runtime";
import type { BinaryReadOptions } from "@protobuf-ts/runtime";
import type { IBinaryReader } from "@protobuf-ts/runtime";
import type { PartialMessage } from "@protobuf-ts/runtime";
import { MessageType } from "@protobuf-ts/runtime";
/**
 * Defines the thumbnail to use for In-Display video ads. Note that
 * DEFAULT_THUMBNAIL may have been uploaded by the user while thumbnails 1-3 are
 * auto-generated from the video.
 *
 * @generated from protobuf message google.ads.googleads.v11.enums.VideoThumbnailEnum
 */
export interface VideoThumbnailEnum {
}
/**
 * Enum listing the possible types of a video thumbnail.
 *
 * @generated from protobuf enum google.ads.googleads.v11.enums.VideoThumbnailEnum.VideoThumbnail
 */
export declare enum VideoThumbnailEnum_VideoThumbnail {
    /**
     * The type has not been specified.
     *
     * @generated from protobuf enum value: UNSPECIFIED = 0;
     */
    UNSPECIFIED = 0,
    /**
     * The received value is not known in this version.
     * This is a response-only value.
     *
     * @generated from protobuf enum value: UNKNOWN = 1;
     */
    UNKNOWN = 1,
    /**
     * The default thumbnail. Can be auto-generated or user-uploaded.
     *
     * @generated from protobuf enum value: DEFAULT_THUMBNAIL = 2;
     */
    DEFAULT_THUMBNAIL = 2,
    /**
     * Thumbnail 1, generated from the video.
     *
     * @generated from protobuf enum value: THUMBNAIL_1 = 3;
     */
    THUMBNAIL_1 = 3,
    /**
     * Thumbnail 2, generated from the video.
     *
     * @generated from protobuf enum value: THUMBNAIL_2 = 4;
     */
    THUMBNAIL_2 = 4,
    /**
     * Thumbnail 3, generated from the video.
     *
     * @generated from protobuf enum value: THUMBNAIL_3 = 5;
     */
    THUMBNAIL_3 = 5
}
declare class VideoThumbnailEnum$Type extends MessageType<VideoThumbnailEnum> {
    constructor();
    create(value?: PartialMessage<VideoThumbnailEnum>): VideoThumbnailEnum;
    internalBinaryRead(reader: IBinaryReader, length: number, options: BinaryReadOptions, target?: VideoThumbnailEnum): VideoThumbnailEnum;
    internalBinaryWrite(message: VideoThumbnailEnum, writer: IBinaryWriter, options: BinaryWriteOptions): IBinaryWriter;
}
/**
 * @generated MessageType for protobuf message google.ads.googleads.v11.enums.VideoThumbnailEnum
 */
export declare const VideoThumbnailEnum: VideoThumbnailEnum$Type;
export {};