/**
 * @license
 * Copyright 2023 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
import { LitElement, type PropertyValues } from 'lit';
import { INPUT_TYPE, INPUT_STATE, INPUT_SIZE, INPUT_VARIANT, ValidationRule, InputValidationResult } from './input.types.js';
import { InputValidationHost, InputEventHost } from './controllers/index.js';
declare const NrInputElement_base: (new (...args: any[]) => import("./mixins/number-mixin.js").NumberCapable) & (new (...args: any[]) => import("./mixins/focus-mixin.js").FocusCapable) & (new (...args: any[]) => import("./mixins/selection-mixin.js").SelectionCapable) & (new (...args: any[]) => import("@nuralyui/common/mixins").DependencyAware) & (new (...args: any[]) => import("@nuralyui/common/mixins").ThemeAware) & (new (...args: any[]) => import("@nuralyui/common/mixins").EventHandlerCapable) & typeof LitElement;
/**
 * Versatile input component with validation, multiple types, and interactive features.
 *
 * @example
 * ```html
 * <nr-input type="text" placeholder="Enter name"></nr-input>
 * <nr-input type="password"></nr-input>
 * <nr-input type="number" min="0" max="100"></nr-input>
 * ```
 *
 * @fires nr-input - Value changes
 * @fires nr-focus - Input focused
 * @fires nr-blur - Input blurred
 * @fires nr-enter - Enter key pressed
 * @fires nr-clear - Clear button clicked
 *
 * @slot label - Input label
 * @slot helper-text - Helper text
 * @slot addon-before - Content before input
 * @slot addon-after - Content after input
 */
export declare class NrInputElement extends NrInputElement_base implements InputValidationHost, InputEventHost {
    static styles: import("lit").CSSResult[];
    private validationController;
    private eventController;
    /** Disables the input */
    disabled: boolean;
    /** Makes the input read-only */
    readonly: boolean;
    /** Visual state (default, success, warning, error) */
    state: INPUT_STATE;
    /** Current input value */
    value: string;
    /** Input size (small, medium, large) */
    size: INPUT_SIZE;
    /** Visual variant (outlined, underlined, filled) */
    variant: INPUT_VARIANT;
    /** Input type (text, password, number, email, etc.) */
    type: INPUT_TYPE;
    /** Step value for number inputs */
    step?: string;
    /** Minimum value for number inputs */
    min?: string;
    /** Maximum value for number inputs */
    max?: string;
    /** Placeholder text */
    placeholder: string;
    /** HTML autocomplete attribute */
    autocomplete: string;
    /** Field name for form submission */
    name?: string;
    /** Required field indicator */
    required?: boolean;
    /** Shows copy button */
    withCopy: boolean;
    /** Shows clear button */
    allowClear: boolean;
    /** Shows character counter */
    showCount: boolean;
    /** Maximum character limit */
    maxLength?: number;
    /** Array of validation rules */
    rules: ValidationRule[];
    /** Validate on change */
    validateOnChangeInput: boolean;
    /** Validate on blur */
    validateOnBlurInput: boolean;
    /** Show validation status icon */
    hasFeedback: boolean;
    /** Allow validation warnings */
    allowWarnings: boolean;
    /** Custom validation trigger */
    validationTrigger: 'change' | 'blur' | 'submit';
    /** Validation debounce delay in milliseconds */
    validationDebounce?: number;
    /** Input label for better error messages */
    label?: string;
    /** Debounce delay in milliseconds for input events */
    debounce: number;
    /** Validation message */
    validationMessage?: string;
    inputType: string;
    hasAddonBefore: boolean;
    hasAddonAfter: boolean;
    focused: boolean;
    private get _input();
    get characterCountDisplay(): string;
    get isOverCharacterLimit(): boolean;
    protected get input(): HTMLInputElement;
    protected get inputElement(): HTMLInputElement;
    requiredComponents: string[];
    connectedCallback(): void;
    disconnectedCallback(): void;
    /**
     * Handle validation events from the controller
     */
    private _handleValidationEvent;
    willUpdate(_changedProperties: PropertyValues): void;
    updated(_changedProperties: PropertyValues): void;
    firstUpdated(): void;
    private _checkInitialSlotContent;
    private _handleSlotChange;
    private _handleKeyDown;
    private _valueChange;
    private _focusEvent;
    private _blurEvent;
    private _handleIconKeydown;
    private _onCopy;
    private _onClear;
    private _increment;
    private _decrement;
    private _togglePasswordIcon;
    private _getAriaDescribedBy;
    /**
     * Setup default validation rules based on input properties
     */
    /**
     * Override the form mixin's validateValue method with controller logic
     */
    protected validateValue(_value: string): boolean;
    /**
     * Add validation rule dynamically
     */
    addRule(rule: ValidationRule): void;
    /**
     * Remove validation rule
     */
    removeRule(predicate: (rule: ValidationRule) => boolean): void;
    /**
     * Clear all validation rules
     */
    clearRules(): void;
    /**
     * Get current validation status
     */
    getValidationStatus(): {
        isValid: boolean;
        isValidating: boolean;
        errors: string[];
        warnings: string[];
    };
    /**
     * Trigger validation manually
     */
    validateInput(): Promise<boolean>;
    /**
     * Set validation state externally (for form integration)
     */
    setValidationStatus(result: InputValidationResult): void;
    /**
     * Get validation classes for CSS styling
     */
    protected getValidationClasses(): Record<string, boolean>;
    /**
     * Render validation feedback icon
     */
    private renderValidationIcon;
    /**
     * Render validation message
     */
    private renderValidationMessage;
    render(): import("lit-html").TemplateResult<1>;
}
export {};
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