import { type ContentEvent } from "./content.js";
export type NativeApprovalContent = Extract<ContentEvent, {
    kind: "token" | "tool" | "tool-result" | "usage" | "progress" | "error";
}>;
export declare function nativeApprovalError(value: unknown): string | null;
export declare function nativeApprovalContent(method: string, params: Record<string, unknown> | null): readonly NativeApprovalContent[];
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