//#region src/native-files.d.ts
declare global {
  var CoreframeFlutter: {
    postMessage(message: string): void;
  } | undefined;
}
type NativeFileErrorCode = "invalid_request" | "unsupported_platform" | "unsupported_filter" | "selection_not_accepted" | "picker_busy" | "unreadable_selection" | "capacity_exceeded" | "internal";
declare class NativeFileError extends Error {
  readonly code: NativeFileErrorCode;
  readonly retryable: boolean;
  constructor(code: NativeFileErrorCode, message: string, retryable?: boolean);
}
type NativeFileCapabilities = Readonly<{
  available: boolean;
}>;
type NativeFilePickOptions = Readonly<{
  /** Picker hints as MIME types (such as `image/*`) or extensions (such as `.pdf`). */accept?: readonly string[];
  multiple?: boolean;
}>;
type NativeFileSelection = Readonly<{
  /** Opaque runtime-scoped identifier accepted by {@link releaseNativeFiles}. */id: string;
  lastModified: number | null;
  name: string;
  size: number;
  type: string | null; /** Bearer URL on the Coreframe loopback origin. Do not persist or disclose it. */
  url: string;
}>;
/** Detects the Flutter bridge. Use getNativeFileCapabilities for platform support. */
declare function isNativeFilesAvailable(): boolean;
declare function getNativeFileCapabilities(): Promise<NativeFileCapabilities>;
/** Opens the native system picker. Cancellation resolves to an empty array. */
declare function pickNativeFiles(options?: NativeFilePickOptions): Promise<readonly NativeFileSelection[]>;
/** Revokes selections immediately; repeated and unknown identifiers are harmless. */
declare function releaseNativeFiles(selections: readonly (NativeFileSelection | string)[]): Promise<void>;
declare function isNativeFileError(value: unknown): value is NativeFileError;
//#endregion
export { NativeFileCapabilities, NativeFileError, NativeFileErrorCode, NativeFilePickOptions, NativeFileSelection, getNativeFileCapabilities, isNativeFileError, isNativeFilesAvailable, pickNativeFiles, releaseNativeFiles };