import { AfterContentInit, EventEmitter, OnInit, QueryList, ModuleWithProviders } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { MdUniqueSelectionDispatcher } from '@angular2-material/core';
export { MdUniqueSelectionDispatcher } from '@angular2-material/core';
/**
 * Provider Expression that allows md-radio-group to register as a ControlValueAccessor. This
 * allows it to support [(ngModel)] and ngControl.
 */
export declare const MD_RADIO_GROUP_CONTROL_VALUE_ACCESSOR: any;
/** A simple change event emitted by either MdRadioButton or MdRadioGroup. */
export declare class MdRadioChange {
    source: MdRadioButton;
    value: any;
}
export declare class MdRadioGroup implements AfterContentInit, ControlValueAccessor {
    /**
     * Selected value for group. Should equal the value of the selected radio button if there *is*
     * a corresponding radio button with a matching value. If there is *not* such a corresponding
     * radio button, this value persists to be applied in case a new radio button is added with a
     * matching value.
     */
    private _value;
    /** The HTML name attribute applied to radio buttons in this group. */
    private _name;
    /** Disables all individual radio buttons assigned to this group. */
    private _disabled;
    /** The currently selected radio button. Should match value. */
    private _selected;
    /** Whether the `value` has been set to its initial value. */
    private _isInitialized;
    /** The method to be called in order to update ngModel */
    private _controlValueAccessorChangeFn;
    /** onTouch function registered via registerOnTouch (ControlValueAccessor). */
    onTouched: () => any;
    /** Event emitted when the group value changes. */
    change: EventEmitter<MdRadioChange>;
    /** Child radio buttons. */
    _radios: QueryList<MdRadioButton>;
    name: string;
    align: 'start' | 'end';
    disabled: boolean;
    value: any;
    selected: MdRadioButton;
    /**
     * Initialize properties once content children are available.
     * This allows us to propagate relevant attributes to associated buttons.
     * TODO: internal
     */
    ngAfterContentInit(): void;
    /**
     * Mark this group as being "touched" (for ngModel). Meant to be called by the contained
     * radio buttons upon their blur.
     */
    _touch(): void;
    private _updateRadioButtonNames();
    /** Updates the `selected` radio button from the internal _value state. */
    private _updateSelectedRadioFromValue();
    /** Dispatch change event with current selection and group value. */
    private _emitChangeEvent();
    /**
      * Implemented as part of ControlValueAccessor.
      * TODO: internal
      */
    writeValue(value: any): void;
    /**
     * Implemented as part of ControlValueAccessor.
     * TODO: internal
     */
    registerOnChange(fn: (value: any) => void): void;
    /**
     * Implemented as part of ControlValueAccessor.
     * TODO: internal
     */
    registerOnTouched(fn: any): void;
}
export declare class MdRadioButton implements OnInit {
    radioDispatcher: MdUniqueSelectionDispatcher;
    _isFocused: boolean;
    /** Whether this radio is checked. */
    private _checked;
    /** The unique ID for the radio button. */
    id: string;
    /** Analog to HTML 'name' attribute used to group radios for unique selection. */
    name: string;
    /** Used to set the 'aria-label' attribute on the underlying input element. */
    ariaLabel: string;
    /** The 'aria-labelledby' attribute takes precedence as the element's text alternative. */
    ariaLabelledby: string;
    /** Whether this radio is disabled. */
    private _disabled;
    /** Value assigned to this radio.*/
    private _value;
    /** The parent radio group. May or may not be present. */
    radioGroup: MdRadioGroup;
    /** Event emitted when the group value changes. */
    change: EventEmitter<MdRadioChange>;
    constructor(radioGroup: MdRadioGroup, radioDispatcher: MdUniqueSelectionDispatcher);
    readonly inputId: string;
    checked: boolean;
    /** MdRadioGroup reads this to assign its own value. */
    value: any;
    private _align;
    align: 'start' | 'end';
    disabled: boolean;
    /** TODO: internal */
    ngOnInit(): void;
    /** Dispatch change event with current value. */
    private _emitChangeEvent();
    /**
     * We use a hidden native input field to handle changes to focus state via keyboard navigation,
     * with visual rendering done separately. The native element is kept in sync with the overall
     * state of the component.
     */
    _onInputFocus(): void;
    /** TODO: internal */
    _onInputBlur(): void;
    /** TODO: internal */
    _onInputClick(event: Event): void;
    /**
     * Triggered when the radio button received a click or the input recognized any change.
     * Clicking on a label element, will trigger a change event on the associated input.
     * TODO: internal
     */
    _onInputChange(event: Event): void;
}
export declare class MdRadioModule {
    static forRoot(): ModuleWithProviders;
}