import type { Files } from "../index.js";
import type { ToolOptions } from "./types.js";
export declare const listFiles: (files: Files) => import("ai").Tool<{
    cursor?: string | undefined;
    limit?: number | undefined;
    prefix?: string | undefined;
}, {
    cursor: string | undefined;
    items: {
        etag: string | undefined;
        key: string;
        lastModified: number | undefined;
        size: number;
        type: string;
    }[];
}>;
export declare const getFileMetadata: (files: Files) => import("ai").Tool<{
    key: string;
}, {
    etag: string | undefined;
    key: string;
    lastModified: number | undefined;
    metadata: Record<string, string> | undefined;
    size: number;
    type: string;
}>;
export declare const downloadFile: (files: Files) => import("ai").Tool<{
    binary?: boolean | undefined;
    key: string;
    maxBytes?: number | undefined;
}, {
    content: string;
    encoding: "base64";
    key: string;
    size: number;
    type: string;
} | {
    content: string;
    encoding: "text";
    key: string;
    size: number;
    type: string;
}>;
export declare const getFileUrl: (files: Files) => import("ai").Tool<{
    expiresIn?: number | undefined;
    key: string;
    responseContentDisposition?: string | undefined;
}, {
    key: string;
    url: string;
}>;
export declare const uploadFile: (files: Files, { needsApproval }?: ToolOptions) => import("ai").Tool<{
    cacheControl?: string | undefined;
    content: string;
    contentType?: string | undefined;
    encoding?: "base64" | "text" | undefined;
    key: string;
    metadata?: Record<string, string> | undefined;
}, {
    contentType: string;
    etag: string | undefined;
    key: string;
    lastModified: number | undefined;
    size: number;
}>;
export declare const deleteFile: (files: Files, { needsApproval }?: ToolOptions) => import("ai").Tool<{
    key: string;
}, {
    deleted: true;
    key: string;
}>;
export declare const copyFile: (files: Files, { needsApproval }?: ToolOptions) => import("ai").Tool<{
    from: string;
    to: string;
}, {
    copied: true;
    from: string;
    to: string;
}>;
export declare const signUploadUrl: (files: Files, { needsApproval }?: ToolOptions) => import("ai").Tool<{
    contentType?: string | undefined;
    expiresIn: number;
    key: string;
    maxSize?: number | undefined;
    minSize?: number | undefined;
}, import("../index.js").SignedUpload>;
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