export declare const FLOW_C_REFERENCE_WRITING_VERSION = "flow-c-reference-product-v1";
export declare const FLOW_C_REFERENCE_TOPIC_WRITING_VERSION = "flow-c-reference-product-v2";
export declare const FLOW_C_REFERENCE_WRITING_UNSUPPORTED = "FLOW_C_REFERENCE_WRITING_UNSUPPORTED";
/** Absence is historical, not an instruction to upgrade a saved task. */
export declare function referenceWritingEnabled(strategy: unknown): boolean;
export declare function referenceTopicWritingEnabled(strategy: unknown): boolean;
export declare function isLearnedReferenceCandidate(candidate: {
    scriptSource?: unknown;
    creativeSource?: unknown;
    selectionMode?: unknown;
    learnedTemplateId?: unknown;
    executionBlueprint?: unknown;
    contentStyle?: unknown;
}): boolean;
/** One writing turn: product facts + selected reference, never another ideation stage. */
export declare function referenceProductWritingPrompt(input: {
    productFacts: string;
    referencePrompts: string;
    localization: string;
    assignments: string;
    ordinals: number[];
    targetLanguage: string;
    durationSeconds: number;
    segmentSeconds: 10 | 15;
    rewriteAttempt: number;
}): string;
/** v2 is a separate prompt: never rewrite the saved v1 contract above. */
export declare function referenceTopicProductWritingPrompt(input: Parameters<typeof referenceProductWritingPrompt>[0] & {
    instructions: string;
    topicPlans: string;
}): string;