import { PopoverPlacement } from '../../popover/src/types';
export type CascaderKey = string | number;
export type CascaderPath = CascaderKey[];
export type CascaderValue = CascaderPath | CascaderPath[] | undefined;
export interface CascaderNode {
    value: CascaderKey;
    label: string;
    disabled?: boolean;
    leaf?: boolean;
    children?: CascaderNode[];
}
export interface CascaderProps {
    modelValue?: CascaderValue;
    options?: CascaderNode[];
    multiple?: boolean;
    disabled?: boolean;
    placeholder?: string;
    searchable?: boolean;
    clearable?: boolean;
    placement?: PopoverPlacement;
    dropdownOffset?: number;
    dropdownWidth?: number;
    dropdownMaxWidth?: number;
    dropdownMaxHeight?: number;
    expandTrigger?: 'click' | 'hover' | 'both';
    load?: (node: CascaderNode | null, level: number) => Promise<CascaderNode[]>;
}
export interface CascaderEmits {
    (e: 'update:modelValue', v: CascaderValue): void;
    (e: 'change', v: CascaderValue): void;
    (e: 'open'): void;
    (e: 'close'): void;
    /** A `load` call rejected; `path` identifies the node whose children failed. */
    (e: 'load-error', payload: {
        path: CascaderPath;
        error: unknown;
    }): void;
}