export declare const textareaClassNamePrefix: "os-shared-Textarea";
export declare const textareaClassNames: {
    readonly root: "os-shared-Textarea-root";
    readonly label: "os-shared-Textarea-label";
    readonly textarea: "os-shared-Textarea-textarea";
};
export type TextareaClassNames = (typeof textareaClassNames)[keyof typeof textareaClassNames];
/** Approximate row height used for labelled layout min-height hints. */
export declare const textareaRowHeightPx = 20;