type JsonSchema = Record<string, unknown>;
/** Codex app-server 的结构化脚本返回契约；回传由 Agent 完成，不依赖模型调用 MCP。 */
export declare function flowCScriptOutputSchema(durationSeconds: 10 | 15 | 20 | 30, count: number, segmentSeconds?: 10 | 15): JsonSchema;
/**
 * OpenAI strict structured output requires every declared object property to
 * appear in `required`. Optional semantics must therefore be represented by a
 * required nullable field, never by omitting that key from `required`.
 */
export declare function assertStrictResponseSchema(schemaValue: unknown, path?: string): asserts schemaValue is JsonSchema;
export declare function parseFlowCScriptOutput(value: string, expectedOrdinals: number[], segmentSeconds?: 10 | 15): unknown[];
export declare function validateFlowCLocalSegmentTimeline(segmentValue: unknown, label?: string, segmentSeconds?: 10 | 15): unknown;
export {};