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