import { ComputedRef } from 'vue';
import { FileTypeFilter, FilePickerMode, FilePickerVisibleEntry } from '@wolf-tui/shared';
export interface IUseFilePickerStateProps {
    /**
     * Initial directory path.
     *
     * @default '.'
     */
    initialPath?: string;
    /**
     * Allow multiple file selection.
     *
     * @default false
     */
    multiSelect?: boolean;
    /**
     * Filter by file type.
     *
     * @default 'all'
     */
    fileTypes?: FileTypeFilter;
    /**
     * Show hidden files (dotfiles).
     *
     * @default false
     */
    showHidden?: boolean;
    /**
     * Show file details (size).
     *
     * @default false
     */
    showDetails?: boolean;
    /**
     * Maximum visible entries.
     *
     * @default 10
     */
    maxHeight?: number;
    /**
     * Callback when selection is confirmed.
     */
    onSelect?: (selectedPaths: string[]) => void;
    /**
     * Callback on every selection toggle (Space key). Fires in real-time
     * as the user toggles items, unlike onSelect which fires on confirmation.
     */
    onSelectionChange?: (paths: string[]) => void;
    /**
     * Callback when current directory changes.
     */
    onDirectoryChange?: (path: string) => void;
    /**
     * Callback on error.
     */
    onError?: (error: string) => void;
}
export interface IFilePickerState {
    currentPath: ComputedRef<string>;
    visibleEntries: ComputedRef<FilePickerVisibleEntry[]>;
    mode: ComputedRef<FilePickerMode>;
    filterText: ComputedRef<string>;
    multiSelect: boolean;
    showDetails: boolean;
    selectedPaths: ComputedRef<ReadonlySet<string>>;
    errorMessage: ComputedRef<string | undefined>;
    hasScrollUp: ComputedRef<boolean>;
    hasScrollDown: ComputedRef<boolean>;
    scrollUpCount: ComputedRef<number>;
    scrollDownCount: ComputedRef<number>;
    focusNext: () => void;
    focusPrevious: () => void;
    focusFirst: () => void;
    focusLast: () => void;
    select: () => void;
    toggleSelect: () => void;
    goParent: () => void;
    enterDirectory: () => void;
    enterFilterMode: () => void;
    exitFilterMode: () => void;
    filterInsert: (text: string) => void;
    filterDelete: () => void;
    retry: () => void;
}
export declare const useFilePickerState: ({ initialPath, multiSelect, fileTypes, showHidden, showDetails, maxHeight, onSelect, onSelectionChange, onDirectoryChange, onError, }: IUseFilePickerStateProps) => IFilePickerState;
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