import { z } from "zod";
export type A2UIOperation = Record<string, unknown>;
export declare const A2UISurfaceActivityType = "a2ui-surface";
export declare const A2UIActivityContentSchema: z.ZodObject<{
    operations: z.ZodArray<z.ZodRecord<z.ZodString, z.ZodUnknown>, "many">;
}, "strip", z.ZodTypeAny, {
    operations: Record<string, unknown>[];
}, {
    operations: Record<string, unknown>[];
}>;
export declare function getOperationSurfaceId(operation: A2UIOperation): string;
//# sourceMappingURL=a2ui.d.ts.map