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";
/**
 * Container for enum describing possible a promotion extension
 * discount modifier.
 *
 * @generated from protobuf message google.ads.googleads.v11.enums.PromotionExtensionDiscountModifierEnum
 */
export interface PromotionExtensionDiscountModifierEnum {
}
/**
 * A promotion extension discount modifier.
 *
 * @generated from protobuf enum google.ads.googleads.v11.enums.PromotionExtensionDiscountModifierEnum.PromotionExtensionDiscountModifier
 */
export declare enum PromotionExtensionDiscountModifierEnum_PromotionExtensionDiscountModifier {
    /**
     * Not specified.
     *
     * @generated from protobuf enum value: UNSPECIFIED = 0;
     */
    UNSPECIFIED = 0,
    /**
     * Used for return value only. Represents value unknown in this version.
     *
     * @generated from protobuf enum value: UNKNOWN = 1;
     */
    UNKNOWN = 1,
    /**
     * 'Up to'.
     *
     * @generated from protobuf enum value: UP_TO = 2;
     */
    UP_TO = 2
}
declare class PromotionExtensionDiscountModifierEnum$Type extends MessageType<PromotionExtensionDiscountModifierEnum> {
    constructor();
    create(value?: PartialMessage<PromotionExtensionDiscountModifierEnum>): PromotionExtensionDiscountModifierEnum;
    internalBinaryRead(reader: IBinaryReader, length: number, options: BinaryReadOptions, target?: PromotionExtensionDiscountModifierEnum): PromotionExtensionDiscountModifierEnum;
    internalBinaryWrite(message: PromotionExtensionDiscountModifierEnum, writer: IBinaryWriter, options: BinaryWriteOptions): IBinaryWriter;
}
/**
 * @generated MessageType for protobuf message google.ads.googleads.v11.enums.PromotionExtensionDiscountModifierEnum
 */
export declare const PromotionExtensionDiscountModifierEnum: PromotionExtensionDiscountModifierEnum$Type;
export {};