import { type RefObject } from 'react';
export declare const COMPOSER_HEIGHT_KEY = "arkme:composer-editor-height:v1";
export declare function clampComposerHeight(height: number, maximum: number): number;
/** Client-only presentation preference; no message or account data is stored. */
export declare function useResizableComposer(container: RefObject<HTMLDivElement>, scope?: string, messageBody?: RefObject<HTMLDivElement>): {
    editorStyle: {
        height?: never;
        minHeight?: never;
        maxHeight?: never;
    } | {
        height: number;
        minHeight: number;
        maxHeight: number;
    };
    highlighted: boolean;
    handle: import("react").JSX.Element;
};
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