export declare const enum TEXTAREA_STATE {
    Default = "default",
    Error = "error",
    Warning = "warning",
    Success = "success"
}
export declare const enum TEXTAREA_SIZE {
    Large = "large",
    Medium = "medium",
    Small = "small"
}
export declare const enum TEXTAREA_VARIANT {
    Default = "",
    Outlined = "outlined",
    Filled = "filled",
    Borderless = "borderless",
    Underlined = "underlined"
}
export declare const enum TEXTAREA_RESIZE {
    None = "none",
    Vertical = "vertical",
    Horizontal = "horizontal",
    Both = "both"
}
export interface FocusOptions {
    preventScroll?: boolean;
    cursor?: 'start' | 'end' | 'all' | number;
    select?: boolean;
}
export interface BlurOptions {
    preventScroll?: boolean;
    restoreCursor?: boolean;
}
export interface FocusChangeEvent {
    focused: boolean;
    cursorPosition?: number;
    selectedText?: string;
}
/**
 * Validation rule interface
 */
export interface ValidationRule {
    /** Validation function that returns true if valid */
    validator: (value: string) => boolean | Promise<boolean>;
    /** Error message to display if validation fails */
    message: string;
    /** Rule severity level */
    level?: 'error' | 'warning';
    /** Whether this rule should block form submission */
    blocking?: boolean;
}
/**
 * Validation result interface
 */
export interface TextareaValidationResult {
    /** Whether the current value is valid */
    isValid: boolean;
    /** Array of validation messages (errors/warnings) */
    messages: string[];
    /** Validation level (error or warning) */
    level: 'error' | 'warning' | 'success';
    /** Whether validation is blocking */
    blocking: boolean;
}
/**
 * Textarea change event detail interface
 */
export interface TextareaChangeEvent {
    /** Current textarea value */
    value: string;
    /** Character count */
    length: number;
    /** Whether max length is exceeded */
    exceedsMaxLength: boolean;
    /** Validation result */
    validation?: TextareaValidationResult;
}
/**
 * Textarea resize event detail interface
 */
export interface TextareaResizeEvent {
    /** New width in pixels */
    width: number;
    /** New height in pixels */
    height: number;
    /** Resize direction */
    direction: 'horizontal' | 'vertical' | 'both';
}
export declare const EMPTY_STRING = "";
/**
 * Common textarea configuration constants
 */
export declare const TEXTAREA_DEFAULTS: {
    readonly ROWS: 3;
    readonly COLS: 50;
    readonly MAX_LENGTH: 1000;
    readonly RESIZE: TEXTAREA_RESIZE.Vertical;
    readonly SIZE: TEXTAREA_SIZE.Medium;
    readonly STATE: TEXTAREA_STATE.Default;
    readonly VARIANT: TEXTAREA_VARIANT.Underlined;
};
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