export declare const DEFAULT_PLAN_APP_URL = "https://plan.agent-native.com";
export type PlanBlockFormat = "reference" | "schema";
export type FetchPlanBlockCatalogInput = {
    appUrl?: string;
    out?: string;
    format?: PlanBlockFormat;
    fetchFn?: typeof fetch;
};
export type FetchPlanBlockCatalogResult = {
    ok: true;
    out: string;
    count?: number;
    format: PlanBlockFormat;
};
export declare function planActionEndpoint(appUrl: string, action: string): string;
export declare function normalizePlanBlockFormat(value: string | undefined): PlanBlockFormat;
export declare function defaultPlanBlocksOut(format: PlanBlockFormat): string;
export declare function fetchPlanBlockCatalog(input: FetchPlanBlockCatalogInput): Promise<FetchPlanBlockCatalogResult>;
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