/**
 * Platform-event handler — renders `platform.*` lifecycle events.
 *
 * Platform events (core `createPlatformEvent`) carry their information in
 * `payload`, not `data`, so the ADR-097 domain-message path never sees them.
 * This handler renders them in the same prose-pipeline manner: the event
 * type itself is the messageId (`platform.save_completed`,
 * `platform.undo_failed`, ...) and params bind from the payload. lang-en-us
 * registers the standard texts; stories override by registering the same id.
 *
 * Events with no registered message render nothing — request-phase events
 * (`platform.save_requested`, ...) are intentionally silent by default.
 *
 * Public interface: `handlePlatformEvent`.
 * Owner context: `@sharpee/engine` — internal prose pipeline.
 */
import type { ITextBlock } from '@sharpee/text-blocks';
import type { ISemanticEvent } from '@sharpee/core';
import type { HandlerContext } from './types';
/**
 * Render a `platform.*` event via the message registered under its event
 * type. Returns [] when no message is registered (silent by design).
 */
export declare function handlePlatformEvent(event: ISemanticEvent, context: HandlerContext): ITextBlock[];
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