import type { Fn } from '../../../../../@aileron/declare';
import type { ObjectNode } from '../../../../../core/nodes/ObjectNode';
import { type UnionSetValueOption } from '../../../../../core/nodes/type';
import type { ObjectValue } from '../../../../../types';
import type { ObjectNodeStrategy } from '../type';
/**
 * Strategy class for managing ObjectNode values as terminal.
 * Implementation for handling simple object types.
 */
export declare class TerminalStrategy implements ObjectNodeStrategy {
    /** Host ObjectNode instance that this strategy belongs to */
    private readonly __host__;
    /** Callback function to handle value changes */
    private readonly __handleChange__;
    /** Callback function to handle refresh operations */
    private readonly __handleRefresh__;
    /** Array of property keys defined in the JSON schema, used for ordering object properties */
    private readonly __propertyKeys__;
    /** Current value of the object node, initialized as empty object */
    private __value__;
    /**
     * Gets the current value of the object.
     * @returns Current value of the object node or undefined
     */
    get value(): ObjectValue | undefined;
    /**
     * Applies input value to the object node.
     * @param input - Object value to set
     * @param option - Setting options
     */
    applyValue(input: ObjectValue | undefined, option: UnionSetValueOption): void;
    /**
     * Gets the list of child nodes.
     * @returns Empty array (Terminal strategy does not manage child nodes)
     */
    get children(): null;
    /**
     * Initializes the TerminalStrategy object.
     * @param host - Host ObjectNode object
     * @param handleChange - Value change handler
     * @param handleRefresh - Refresh handler
     * @param handleSetDefaultValue - Default value setting handler
     */
    constructor(host: ObjectNode, handleChange: Fn<[ObjectValue | undefined]>, handleRefresh: Fn<[ObjectValue | undefined]>, handleSetDefaultValue: Fn<[ObjectValue | undefined]>);
    /**
     * Emits a value change event.
     * @param input - New object value
     * @param option - Option settings (default: SetValueOption.Default)
     * @private
     */
    private __emitChange__;
    /**
     * Parses input value into appropriate object format.
     * @param input - Value to parse
     * @returns {ObjectValue|undefined} Parsed object value or undefined
     * @private
     */
    private __parseValue__;
}