import type { Ref } from 'vue';
import type { MergedTheme } from '../../_mixins';
import type { LegacyTransferTheme } from '../styles';
export type OptionValue = string | number;
export interface Option {
    label: string;
    value: OptionValue;
    disabled?: boolean;
}
export interface CheckedStatus {
    checked: boolean;
    indeterminate: boolean;
    disabled?: boolean;
}
export type Filter = (pattern: string, option: Option, from: 'source' | 'target') => boolean;
export interface TransferInjection {
    mergedClsPrefixRef: Ref<string>;
    mergedSizeRef: Ref<'small' | 'medium' | 'large'>;
    disabledRef: Ref<boolean>;
    mergedThemeRef: Ref<MergedTheme<LegacyTransferTheme>>;
    srcCheckedValuesRef: Ref<OptionValue[]>;
    tgtCheckedValuesRef: Ref<OptionValue[]>;
    srcOptsRef: Ref<Option[]>;
    tgtOptsRef: Ref<Option[]>;
    srcCheckedStatusRef: Ref<CheckedStatus>;
    tgtCheckedStatusRef: Ref<CheckedStatus>;
    handleSrcCheckboxClick: (checked: boolean, value: OptionValue) => void;
    handleTgtCheckboxClick: (checked: boolean, value: OptionValue) => void;
}
export declare const transferInjectionKey: import("vue").InjectionKey<TransferInjection>;
export type OnUpdateValue = (value: OptionValue[]) => void;