import { ReactNode } from 'react';
/**
 * Resize behavior options for TextArea
 */
export type TextAreaResize = 'none' | 'vertical' | 'horizontal' | 'both';
/**
 * Available font size options from theme typography
 */
export type TextAreaFontSize = 'xs' | 'sm' | 'base' | 'md' | 'lg' | 'xl';
/**
 * Props for the TextArea component
 */
export interface TextAreaProps {
    /**
     * Current value (controlled mode)
     */
    value?: string;
    /**
     * Default value (uncontrolled mode)
     */
    defaultValue?: string;
    /**
     * Callback when value changes
     */
    onChange?: (event: React.ChangeEvent<HTMLTextAreaElement>) => void;
    /**
     * Placeholder text
     */
    placeholder?: string;
    /**
     * Label for the textarea
     */
    label?: ReactNode;
    /**
     * Minimum number of rows
     * @default 3
     */
    rows?: number;
    /**
     * Maximum number of rows for auto-expansion
     * If provided, the textarea will auto-expand up to this number of rows
     */
    maxRows?: number;
    /**
     * Whether the textarea is disabled
     */
    disabled?: boolean;
    /**
     * Whether the textarea is read-only
     */
    readOnly?: boolean;
    /**
     * Whether the field is required
     */
    required?: boolean;
    /**
     * Whether the textarea is in error state
     */
    error?: boolean;
    /**
     * Error message to display
     */
    errorMessage?: ReactNode;
    /**
     * Assistive/help message to display
     */
    assistiveMessage?: ReactNode;
    /**
     * Resize behavior for the textarea
     * @default 'vertical'
     */
    resize?: TextAreaResize;
    /**
     * Whether to remove the border
     */
    noBorder?: boolean;
    /**
     * Name attribute for the textarea
     */
    name?: string;
    /**
     * ID attribute for the textarea
     */
    id?: string;
    /**
     * Accessible label (required if no visible label)
     */
    'aria-label'?: string;
    /**
     * Custom className for the container
     */
    className?: string;
    /**
     * Whether to take full width
     * @default true
     */
    fullWidth?: boolean;
    /**
     * Test ID for testing purposes (deprecated, use dataTestId)
     */
    'data-testid'?: string;
    /**
     * Test identifier for automated testing
     */
    dataTestId?: string;
    /**
     * Data identifier for ib-ui compatibility
     */
    dataId?: string;
    /**
     * Maximum character length
     */
    maxLength?: number;
    /**
     * Whether to show the character count below the textarea.
     * When true, displays the current character count aligned to the right.
     * When maxLength is set, shows "current / max characters" format.
     * @default false
     */
    showCharCount?: boolean;
    /**
     * Callback when textarea receives focus
     */
    onFocus?: (event: React.FocusEvent<HTMLTextAreaElement>) => void;
    /**
     * Callback when textarea loses focus
     */
    onBlur?: (event: React.FocusEvent<HTMLTextAreaElement>) => void;
    /**
     * Callback when a key is pressed
     */
    onKeyDown?: (event: React.KeyboardEvent<HTMLTextAreaElement>) => void;
    /**
     * Custom color for focus state border and ring.
     * When provided, overrides the default focus styling.
     */
    focusColor?: string;
    /**
     * Font size for the textarea text and placeholder.
     * Uses theme typography font size options.
     * @default 'sm'
     */
    fontSize?: TextAreaFontSize;
}
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