import type { RendererId } from "./catalog/schema.js";
import { type PromptSelectors } from "./select.js";
import type { SectionRenderInputs } from "./types.js";
export interface RendererSpec {
    readonly id: RendererId;
    readonly version: number;
    readonly stability: "static" | "session" | "leg";
    readonly reads: "inputs" | "facts" | "env" | "memory" | "mcp" | "mark" | "selectors";
    readonly external: boolean;
    /** The catalog messages this renderer's output is (an overlay targets them). */
    readonly messages?: readonly string[];
}
export declare const RENDERERS: Readonly<Record<RendererId, RendererSpec>>;
/** The renderer version vector — the identity's renderer element (a changed output bumps a version). */
export declare function rendererVector(): Readonly<Record<RendererId, number>>;
/** One renderer's output for these inputs (and the variant it rendered, when it rendered a catalog message);
 *  undefined ⇒ the section is absent this run. */
export declare function runRenderer(id: RendererId, inputs: SectionRenderInputs, selectors: PromptSelectors): {
    readonly text: string;
    readonly variant?: string;
} | undefined;