/**
 *
 * This file may have been modified by Bytedance Inc. (“Bytedance Inc.'s Modifications”). 
 * All Bytedance Inc.'s Modifications are Copyright (year) Bytedance Inc..  
 * 
 * This source code is licensed under the Apache license.
 * See LICENSE file in the project root for license information.
 *
 */
import type { PickerMode } from '../../../../@ecom/rc-picker/es/interface';
import type { PickerLocale } from './generatePicker';
import type { DirectionType } from '../../config-provider';
import type { SelectCommonPlacement } from '../../_util/motion';
export declare function getPlaceholder(picker: PickerMode | undefined, locale: PickerLocale, customizePlaceholder?: string): string;
export declare function getRangePlaceholder(picker: PickerMode | undefined, locale: PickerLocale, customizePlaceholder?: [string, string]): [string, string] | undefined;
export declare function transPlacement2DropdownAlign(direction: DirectionType, placement?: SelectCommonPlacement): {
    points: string[];
    offset: number[];
    overflow: {
        adjustX: number;
        adjustY: number;
    };
};