import { PickerAdapter, PickerNode, PickerRequest, PickerSort, PickerTreeRow } from '../../types/filePicker';
export declare function usePickerNavigation(adapter: () => PickerAdapter, request: () => PickerRequest, systemFilter?: (node: PickerNode) => boolean, sort?: () => PickerSort | undefined): {
    path: import('vue').ShallowRef<string, string>;
    trail: import('vue').Ref<{
        path: string;
        label: string;
    }[], {
        path: string;
        label: string;
    }[] | {
        path: string;
        label: string;
    }[]>;
    entries: import('vue').ShallowRef<PickerNode[], PickerNode[]>;
    nodes: import('vue').Ref<Map<string, {
        kind: "folder";
        fileCount?: number | null | undefined;
        formats?: Record<string, number> | undefined;
        hasChildren?: boolean | undefined;
        path: string;
        name: string;
        parentPath?: string | null | undefined;
        parentName?: string | undefined;
        bytes?: number | null | undefined;
        modifiedAt?: string | null | undefined;
        unavailableReason?: string | undefined;
    } | {
        kind: "file";
        format: string;
        file?: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        } | undefined;
        path: string;
        name: string;
        parentPath?: string | null | undefined;
        parentName?: string | undefined;
        bytes?: number | null | undefined;
        modifiedAt?: string | null | undefined;
        unavailableReason?: string | undefined;
    }> & Omit<Map<string, PickerNode>, keyof Map<any, any>>, Map<string, PickerNode> | (Map<string, {
        kind: "folder";
        fileCount?: number | null | undefined;
        formats?: Record<string, number> | undefined;
        hasChildren?: boolean | undefined;
        path: string;
        name: string;
        parentPath?: string | null | undefined;
        parentName?: string | undefined;
        bytes?: number | null | undefined;
        modifiedAt?: string | null | undefined;
        unavailableReason?: string | undefined;
    } | {
        kind: "file";
        format: string;
        file?: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        } | undefined;
        path: string;
        name: string;
        parentPath?: string | null | undefined;
        parentName?: string | undefined;
        bytes?: number | null | undefined;
        modifiedAt?: string | null | undefined;
        unavailableReason?: string | undefined;
    }> & Omit<Map<string, PickerNode>, keyof Map<any, any>>)>;
    children: import('vue').ShallowRef<Map<string, PickerNode[]>, Map<string, PickerNode[]>>;
    expanded: import('vue').Ref<Set<string> & Omit<Set<string>, keyof Set<any>>, Set<string> | (Set<string> & Omit<Set<string>, keyof Set<any>>)>;
    expanding: import('vue').Ref<Set<string> & Omit<Set<string>, keyof Set<any>>, Set<string> | (Set<string> & Omit<Set<string>, keyof Set<any>>)>;
    expansionErrors: import('vue').Ref<Map<string, string> & Omit<Map<string, string>, keyof Map<any, any>>, Map<string, string> | (Map<string, string> & Omit<Map<string, string>, keyof Map<any, any>>)>;
    loading: import('vue').ShallowRef<boolean, boolean>;
    error: import('vue').ShallowRef<string, string>;
    truncated: import('vue').ShallowRef<boolean, boolean>;
    rows: import('vue').ComputedRef<PickerTreeRow[]>;
    isAllowed: (node: PickerNode) => boolean;
    clear: () => void;
    invalidate: () => void;
    register: (items: PickerNode[], parent?: string) => void;
    loadChildren: (folder: string, ancestors?: string[], refresh?: boolean) => Promise<PickerNode[]>;
    load: (query?: string, recursive?: boolean, refresh?: boolean) => Promise<void>;
    expand: (node: PickerNode) => Promise<void>;
    enter: (node: PickerNode) => void;
    up: (target?: string) => void;
};