export declare const STABLE_ERROR_CODES: readonly ["FILE_INVALID_ARGUMENT", "FILE_REFERENCE_INVALID", "FILE_SESSION_MISMATCH", "FILE_WORKSPACE_UNAVAILABLE", "FILE_WORKSPACE_NOT_WRITABLE", "FILE_UPLOAD_TOO_LARGE", "FILE_UPLOAD_INCOMPLETE", "FILE_TYPE_UNSUPPORTED", "FILE_LEGACY_FORMAT_UNSUPPORTED", "FILE_ARCHIVE_LIMIT_EXCEEDED", "FILE_PARSE_FAILED", "FILE_PART_NOT_FOUND", "FILE_OCR_FAILED", "FILE_RENDER_FAILED", "FILE_ABORTED", "FILE_INTERNAL"];
export type StableErrorCode = (typeof STABLE_ERROR_CODES)[number];
export declare const CLIENT_COMPATIBILITY_ERROR_CODE: "FILE_WEB_COMPATIBILITY";
export type OpenFileErrorCode = StableErrorCode | typeof CLIENT_COMPATIBILITY_ERROR_CODE;
export declare const FIXED_TOOL_FOOTER = "Please continue to choose any callable tools or answer directly as appropriate.";
export interface OpenFileLimits {
    readonly maxFileBytes: number;
    readonly maxDraftFiles: number;
    readonly maxDraftBytes: number;
    readonly maxJsonBytes: number;
    readonly maxArchiveEntries: number;
    readonly maxArchiveEntryBytes: number;
    readonly maxArchiveExpandedBytes: number;
    readonly maxArchiveRatio: number;
    readonly maxArchiveDepth: number;
    readonly parseTimeoutMs: number;
    readonly renderTimeoutMs: number;
    readonly ocrTimeoutMs: number;
    readonly maxRenderPixels: number;
    readonly maxPdfPages: number;
    readonly uploadTimeoutMs: number;
    readonly defaultReadChars: number;
    readonly maxReadChars: number;
}
export declare const DEFAULT_LIMITS: Readonly<OpenFileLimits>;
export type Locator = Readonly<Record<string, string | number | boolean | null>>;
export interface ToolEnvelope<T> {
    readonly ok: true;
    readonly file_ref: string;
    readonly part_ref?: string;
    readonly source_sha256: string;
    readonly parser: string;
    readonly locator: Locator;
    readonly cursor: string | null;
    readonly data: T;
    readonly note: typeof FIXED_TOOL_FOOTER;
}