import * as v from "valibot";
/**
 * Sent by the sandbox back to the host when an inbound host-to-sandbox message could not be parsed
 * (unknown `type`, schema mismatch, etc.). The host should never reply to an `invalidHostMessage`
 * with another bridge error message.
 */
export declare const invalidHostMessageSchema: v.ObjectSchema<{
    readonly type: v.LiteralSchema<"invalidHostMessage", undefined>;
    /**
     * A human-readable string intended for sandbox-side logging. It has no structured contract.
     */
    readonly reason: v.StringSchema<undefined>;
}, undefined>;
export type InvalidHostMessage = v.InferOutput<typeof invalidHostMessageSchema>;
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