import TerraElement, { type TerraFormControl } from '../../internal/terra-element.js';
import TerraIcon from '../icon/icon.component.js';
import type { CSSResultGroup } from 'lit';
/**
 * @summary A text input component with consistent styling across the design system.
 * @documentation https://terra-ui.netlify.app/components/input
 * @status stable
 * @since 1.0
 *
 * @dependency terra-icon
 *
 * @slot prefix - Used to prepend content (like an icon) to the input.
 * @slot suffix - Used to append content (like an icon) to the input. When `clearable` or `resettable` is true, this slot is overridden.
 * @slot clear-icon - An icon to use in lieu of the default clear icon.
 * @slot show-password-icon - An icon to use in lieu of the default show password icon.
 * @slot hide-password-icon - An icon to use in lieu of the default hide password icon.
 * @slot help-text - Text that describes how to use the input. Alternatively, you can use the `help-text` attribute.
 *
 * @event terra-input - Emitted when the input receives input.
 * @event terra-change - Emitted when an alteration to the control's value is committed by the user.
 * @event terra-focus - Emitted when the control gains focus.
 * @event terra-blur - Emitted when the control loses focus.
 * @event terra-invalid - Emitted when the form control has been checked for validity and its constraints aren't satisfied.
 * @event terra-clear - Emitted when the clear button is activated.
 *
 * @csspart base - The component's base wrapper.
 * @csspart input - The internal input control.
 * @csspart prefix - The container for prefix content.
 * @csspart suffix - The container for suffix content.
 * @csspart clear-button - The clear button.
 * @csspart password-toggle-button - The password toggle button.
 * @csspart form-control-help-text - The help text's wrapper.
 * @csspart form-control-error-text - The error text's wrapper.
 */
export default class TerraInput extends TerraElement implements TerraFormControl {
    static styles: CSSResultGroup;
    static dependencies: {
        'terra-icon': typeof TerraIcon;
    };
    private readonly formControlController;
    private readonly hasSlotController;
    input: HTMLInputElement;
    hasFocus: boolean;
    private validationErrorMessage;
    private __numberInput;
    private __dateInput;
    title: string;
    type: 'date' | 'datetime-local' | 'email' | 'number' | 'password' | 'search' | 'tel' | 'text' | 'time' | 'url';
    name: string;
    value: string;
    placeholder: string;
    size: 'small' | 'medium' | 'large';
    filled: boolean;
    pill: boolean;
    disabled: boolean;
    readonly: boolean;
    required: boolean;
    autocomplete?: string;
    minlength?: number;
    maxlength?: number;
    min?: number | string;
    max?: number | string;
    step?: number | 'any';
    pattern?: string;
    inputMode: 'none' | 'text' | 'decimal' | 'numeric' | 'tel' | 'search' | 'email' | 'url';
    label: string;
    hideLabel: boolean;
    helpText: string;
    errorText: string;
    clearable: boolean;
    passwordToggle: boolean;
    passwordVisible: boolean;
    noSpinButtons: boolean;
    autofocus: boolean;
    enterkeyhint?: 'enter' | 'done' | 'go' | 'next' | 'previous' | 'search' | 'send';
    spellcheck: boolean;
    /** The default value of the form control. Primarily used for resetting the form control. */
    defaultValue: string;
    /**
     * When true, shows a reset icon in the suffix that clears the input value when clicked.
     * The input will be reset to its `defaultValue` (or empty string if no defaultValue is set).
     */
    resettable: boolean;
    /**
     * By default, form controls are associated with the nearest containing `<form>` element. This attribute allows you
     * to place the form control outside of a form and associate it with the form that has this `id`. The form must be in
     * the same document or shadow root for this to work.
     */
    form: string;
    /** Gets the validity state object */
    get validity(): ValidityState;
    /** Gets the validation message */
    get validationMessage(): string;
    /**
     * Gets or sets the current value as a `Date` object. Returns `null` if the value can't be converted.
     * This will use the native `<input type="{{type}}">` implementation and may result in an error.
     */
    get valueAsDate(): Date | null;
    set valueAsDate(newValue: Date | null);
    /** Gets or sets the current value as a number. Returns `NaN` if the value can't be converted. */
    get valueAsNumber(): number;
    set valueAsNumber(newValue: number);
    firstUpdated(): void;
    handleInput(): void;
    handleChange(): void;
    private handleInvalid;
    handleFocus(): void;
    handleBlur(): void;
    private handleKeyDown;
    private updateValidationErrorMessage;
    private handleReset;
    private handleClearClick;
    private handlePasswordToggle;
    handleDisabledChange(): void;
    handleStepChange(): void;
    handleValueChange(): Promise<void>;
    /** Checks for validity but does not show a validation message. Returns `true` when valid and `false` when invalid. */
    checkValidity(): boolean;
    /** Gets the associated form, if one exists. */
    getForm(): HTMLFormElement | null;
    /** Checks for validity and shows the browser's validation message if the control is invalid. */
    reportValidity(): boolean;
    /**
     * Sets a custom validation message. The value provided will be shown to the user when the form is submitted. To clear
     * the custom validation message, call this method with an empty string.
     */
    setCustomValidity(message: string): void;
    focus(options?: FocusOptions): void;
    blur(): void;
    select(): void;
    setSelectionRange(selectionStart: number, selectionEnd: number, selectionDirection?: 'forward' | 'backward' | 'none'): void;
    /** Replaces a range of text with a new string. */
    setRangeText(replacement: string, start?: number, end?: number, selectMode?: 'select' | 'start' | 'end' | 'preserve'): void;
    /** Displays the browser picker for an input element (only works if the browser supports it for the input type). */
    showPicker(): void;
    /** Increments the value of a numeric input type by the value of the step attribute. */
    stepUp(): void;
    /** Decrements the value of a numeric input type by the value of the step attribute. */
    stepDown(): void;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'terra-input': TerraInput;
    }
}