/** Bounded slash-command and mention completion menu. */
import { type ReactElement } from 'react';
import type { CompletionCandidate } from '../completion.ts';
/** Total physical rows occupied by the completion menu at this terminal height. */
export declare function completionMenuRowCount(terminalRows: number, rowCount: number): number;
/** Completion view anchored directly above the composer band. */
export declare function CompletionMenu({ active, mention, index, rows, error }: {
    active: boolean;
    mention: boolean;
    index: number;
    rows: readonly CompletionCandidate[];
    error?: string;
}): ReactElement | undefined;