import type { ComputedRef, InjectionKey, Ref } from 'vue';
export interface DualListSelectorProvide {
    tree: ComputedRef<boolean>;
    animations: ComputedRef<boolean>;
}
export interface DualListSelectorPaneProvide {
    chosen: ComputedRef<boolean>;
    disabled: ComputedRef<boolean>;
    /** Id of the pane status, labelling its list */
    statusId: ComputedRef<string>;
    /** Id of the option focused last, the active descendant of the list */
    focusedOption: Ref<string>;
}
export interface DualListSelectorTreeItemData {
    /** Child options of the option */
    children?: DualListSelectorTreeItemData[];
    /** Flag indicating this option is expanded by default */
    defaultExpanded?: boolean;
    /** Flag indicating this option has a badge with the number of its descendant leaves */
    badge?: boolean;
    /** ID of the option */
    id: string;
    /** Text of the option */
    text: string;
    /** Checked state of the option, `null` for indeterminate */
    checked: boolean | null;
    /** Additional attributes of the option checkbox */
    checkAttrs?: Record<string, unknown>;
    /** Additional attributes of the option badge, e.g. `{ read: true }` */
    badgeAttrs?: Record<string, unknown>;
    /** Flag indicating whether the option is disabled */
    disabled?: boolean;
}
export declare const DualListSelectorKey: InjectionKey<DualListSelectorProvide>;
export declare const DualListSelectorPaneKey: InjectionKey<DualListSelectorPaneProvide>;
/** Ids of the leaves of a tree */
export declare function flattenTree(tree: DualListSelectorTreeItemData[]): string[];
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