/**
 * Enhanced Picker Component (Phase 6.4.3)
 *
 * SwiftUI-inspired Picker component with dropdown, wheel, and segmented
 * variants for selecting from a list of options.
 */
import type { ModifiableComponentWithModifiers } from '@tachui/core';
import type { Signal } from '@tachui/core';
import type { ComponentInstance, ComponentProps } from '@tachui/core';
/**
 * Picker option structure
 */
export interface PickerOption<T = any> {
    value: T;
    label: string;
    disabled?: boolean;
    icon?: string;
    description?: string;
}
/**
 * Picker component properties
 */
export interface PickerProps<T = any> extends ComponentProps {
    selection: T | Signal<T>;
    options: PickerOption<T>[] | Signal<PickerOption<T>[]>;
    onSelectionChange?: (value: T) => void;
    variant?: 'dropdown' | 'wheel' | 'segmented' | 'menu';
    title?: string | (() => string) | Signal<string>;
    placeholder?: string;
    multiple?: boolean;
    searchable?: boolean;
    clearable?: boolean;
    disabled?: boolean | Signal<boolean>;
    size?: 'small' | 'medium' | 'large';
    tint?: string;
    accessibilityLabel?: string;
    accessibilityHint?: string;
}
/**
 * Enhanced Picker component class
 */
export declare class EnhancedPicker<T = any> implements ComponentInstance<PickerProps<T>> {
    props: PickerProps<T>;
    readonly type: "component";
    readonly id: string;
    mounted: boolean;
    cleanup: (() => void)[];
    private isOpen;
    private setIsOpen;
    private searchTerm;
    private setSearchTerm;
    constructor(props: PickerProps<T>);
    /**
     * Get current selection value
     */
    private getSelection;
    /**
     * Get current options
     */
    private getOptions;
    /**
     * Filter options based on search term
     */
    private getFilteredOptions;
    /**
     * Check if picker is disabled
     */
    private isDisabled;
    /**
     * Get selected option
     */
    private getSelectedOption;
    /**
     * Handle option selection
     */
    private handleSelection;
    /**
     * Toggle picker open state
     */
    private toggleOpen;
    /**
     * Get picker size styles
     */
    private getSizeStyles;
    /**
     * Render dropdown variant
     */
    private renderDropdown;
    /**
     * Render segmented variant
     */
    private renderSegmented;
    /**
     * Render wheel variant (simplified)
     */
    private renderWheel;
    render(): import("@tachui/core").DOMNode;
}
/**
 * Picker component function
 */
export declare function Picker<T = any>(selection: T | Signal<T>, options: PickerOption<T>[] | Signal<PickerOption<T>[]>, props?: Omit<PickerProps<T>, 'selection' | 'options'>): ModifiableComponentWithModifiers<PickerProps<T>>;
/**
 * Picker style variants
 */
export declare const PickerStyles: {
    /**
     * Dropdown picker (default)
     */
    Dropdown<T = any>(selection: T | Signal<T>, options: PickerOption<T>[] | Signal<PickerOption<T>[]>, props?: Omit<PickerProps<T>, "selection" | "options" | "variant">): ModifiableComponentWithModifiers<PickerProps<T>>;
    /**
     * Segmented picker
     */
    Segmented<T = any>(selection: T | Signal<T>, options: PickerOption<T>[] | Signal<PickerOption<T>[]>, props?: Omit<PickerProps<T>, "selection" | "options" | "variant">): ModifiableComponentWithModifiers<PickerProps<T>>;
    /**
     * Wheel picker (native select)
     */
    Wheel<T = any>(selection: T | Signal<T>, options: PickerOption<T>[] | Signal<PickerOption<T>[]>, props?: Omit<PickerProps<T>, "selection" | "options" | "variant">): ModifiableComponentWithModifiers<PickerProps<T>>;
    /**
     * Menu picker
     */
    Menu<T = any>(selection: T | Signal<T>, options: PickerOption<T>[] | Signal<PickerOption<T>[]>, props?: Omit<PickerProps<T>, "selection" | "options" | "variant">): ModifiableComponentWithModifiers<PickerProps<T>>;
};
/**
 * Picker utilities
 */
export declare const PickerUtils: {
    /**
     * Create options from simple array
     */
    fromArray<T>(items: T[], labelKey?: keyof T): PickerOption<T>[];
    /**
     * Create options from enum
     */
    fromEnum(enumObject: Record<string, string | number>): PickerOption<string | number>[];
    /**
     * Group options by category
     */
    grouped<T>(options: (PickerOption<T> & {
        category?: string;
    })[]): Record<string, PickerOption<T>[]>;
};
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