import { A11yAttributes } from '../utils/a11y';
import { IxFormComponent, IxInputFieldComponent, ValidationResults } from '../utils/input';
export declare function createIdIfNotExists(element: IxFormComponent, idPrefix?: string): any;
export declare function mapValidationResult<T>(ref: IxInputFieldComponent<T>, result: ValidationResults): void;
export declare function checkAllowedKeys<T>(comp: IxInputFieldComponent<T>, event: KeyboardEvent): void;
export declare function checkInternalValidity<T>(comp: IxFormComponent<T>, input: HTMLInputElement | HTMLTextAreaElement): Promise<void>;
export declare function onInputBlur<T>(comp: IxFormComponent<T>, input?: HTMLInputElement | HTMLTextAreaElement | null): void;
export declare function applyPaddingEnd(inputElement: HTMLElement | null, width: number, options: {
    slotEnd: boolean;
    additionalPaddingRight?: string;
}): void;
export declare function adjustPaddingForStartAndEnd(startElement: HTMLElement | null, endElement: HTMLElement | null, inputElement: HTMLElement | null): void;
export declare function getAriaAttributesForInput(component: IxInputFieldComponent): A11yAttributes;
export type DisposableChangesAndVisibilityObservers = () => void;
export declare const addDisposableChangesAndVisibilityObservers: (element: HTMLElement, callback: () => void) => DisposableChangesAndVisibilityObservers;
export declare function handleSubmitOnEnterKeydown(event: KeyboardEvent, suppressSubmitOnEnter: boolean, form: HTMLFormElement | null | undefined): void;
export declare function onInputFocus<T>(comp: {
    initialValue?: T;
}, currentValue: T): void;
export declare function onInputBlurWithChange<T>(comp: IxFormComponent<T> & {
    initialValue?: T;
    ixChange: {
        emit: (value: T) => void;
    };
}, input?: HTMLInputElement | HTMLTextAreaElement | null, currentValue?: T): void;
export declare function onEnterKeyChangeEmit<T>(event: KeyboardEvent, comp: {
    initialValue?: T;
    ixChange: {
        emit: (value: T) => void;
    };
}, currentValue: T): void;
export interface PickerValidityStateTracker {
    lastEmittedPatternMismatch?: boolean;
    lastEmittedValueMissing?: boolean;
}
export declare function createPickerValidityStateTracker(): PickerValidityStateTracker;
export interface PickerValidityContext {
    touched: boolean;
    invalidReason?: string;
    getValidityState: () => Promise<ValidityState>;
    emit: (state: {
        patternMismatch: boolean;
        valueMissing: boolean;
        invalidReason?: string;
    }) => void;
}
export interface PickerInputComponent<T> {
    validityTracker: PickerValidityStateTracker;
    touched: boolean;
    invalidReason?: string;
    getValidityState(): Promise<ValidityState>;
    validityStateChange: {
        emit: (state: T) => void;
    };
}
export declare function emitPickerValidityState<T>(component: PickerInputComponent<T>): Promise<void>;
export declare function emitPickerValidityStateChangeIfChanged(tracker: PickerValidityStateTracker, context: PickerValidityContext): Promise<void>;