/**
 * Built-in render templates.
 *
 * Each template is a complete HTML document with `{{slot}}` placeholders, sized
 * to its own canvas. They share the brand token sheet and bundled fonts from
 * `assets.ts`, so a rendered card looks like the rest of AryaCode without the
 * model inventing a theme each time.
 *
 * @module dsh-arya-image-gen/render/templates
 */
/** One template the tool and the Studio can render. */
export interface RenderTemplate {
    id: string;
    label: string;
    description: string;
    width: number;
    height: number;
    slots: readonly string[];
    html: string;
}
/** Every built-in template, in picker order. */
export declare const RENDER_TEMPLATES: readonly RenderTemplate[];
/**
 * Look a template up by id.
 *
 * @param id - template id.
 * @returns the template, or undefined.
 */
export declare function findTemplate(id: string): RenderTemplate | undefined;
/**
 * Fill a template's slots.
 *
 * `{{name}}` is replaced literally; an unknown name is an error because a typo
 * would otherwise silently render an empty card. Missing values render empty.
 *
 * @param id - template id.
 * @param data - slot values.
 * @returns the finished document.
 */
export declare function fillTemplate(id: string, data?: Record<string, unknown>): {
    html: string;
    template: RenderTemplate;
};
/**
 * Render one slot value. Every slot is escaped text except the comparison
 * table's `rows`, which is a line-per-row, cell-per-`|` list so the template can
 * build valid table markup without ever trusting caller HTML.
 *
 * @param templateId - template the slot belongs to.
 * @param name - slot name.
 * @param value - raw value.
 * @returns HTML for the slot.
 */
export declare function renderSlot(templateId: string, name: string, value: string): string;
/**
 * Escape text for an HTML text node or attribute.
 *
 * @param value - raw text.
 * @returns escaped text.
 */
export declare function escapeHtml(value: string): string;