/**
 * Single owner of how a pi-amq overlay is sized and framed.
 *
 * `ctx.ui.custom` resolves overlay geometry from `overlayOptions`, falling back to the
 * component's own `width` and finally to `undefined`. An overlay with no geometry is composited
 * straight over the conversation, so its lines interleave with the chat and become unreadable.
 * Every pi-amq overlay therefore declares geometry and draws its own frame.
 */
export declare const OVERLAY_OPTIONS: {
    readonly width: "78%";
    readonly minWidth: 72;
    readonly maxHeight: "78%";
    readonly anchor: "top-center";
    readonly margin: {
        readonly top: 1;
        readonly left: 2;
        readonly right: 2;
    };
};
export declare function truncate(value: string, width: number): string;
/** Convert logical strings into terminal-safe physical rows before framing or clipping. */
export declare function wrapOverlayLines(lines: readonly string[], width: number): string[];
export interface BorderedSection {
    readonly label?: string;
    readonly lines: readonly string[];
}
/** Frames content so the overlay reads as its own surface rather than as text over the chat. */
export declare function borderedLines(title: string, lines: readonly string[], width: number): string[];
/** Frames labeled sections with full-width rules while preserving exact terminal row widths. */
export declare function borderedSections(title: string, sections: readonly BorderedSection[], width: number): string[];
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