import type { AppliedElement, FirstPassElement, FirstPassPart } from './apply.js';
export interface ElementOptionsPatch {
    type?: string | null;
    charset?: string | null;
    swaps?: Record<string, string | string[]> | null;
    overflow?: string | null;
    read?: string | null;
}
/**
 * Update charset / swaps / read / overflow on one element without re-cropping templates.
 * Writes both first-pass.json (survives AI re-apply merge) and index.json (runtime).
 */
export declare function patchElementOptions(screenName: string, elementName: string, patch: ElementOptionsPatch): {
    firstPass: FirstPassElement;
    index: AppliedElement;
};
/**
 * Patch options on one named part of an element.
 */
export declare function patchPartOptions(screenName: string, elementName: string, partName: string, patch: ElementOptionsPatch): {
    firstPass: FirstPassPart | undefined;
    index: NonNullable<AppliedElement['parts']>[number];
};
//# sourceMappingURL=options.d.ts.map