import { BaseLiteralType } from '../base/literal.js';
import { IS_OF_TYPE, SUBTYPE, UNIQUE_NAME } from '../../symbols.js';
import type { FieldOptions, Validation } from '../../types.js';
/**
 * VineBoolean represents a boolean value in the validation schema.
 * It accepts boolean, string, and number inputs and converts them to booleans,
 * with support for both strict and loose type checking.
 *
 * @example
 * const schema = vine.boolean()
 *
 * const result = await vine.validate({
 *   schema,
 *   data: "true" // Will be converted to true
 * })
 */
export declare class VineBoolean extends BaseLiteralType<boolean | string | number, boolean, boolean> {
    /**
     * Static collection of all available validation rules for booleans
     */
    static rules: {
        boolean: (options: {
            strict?: boolean;
        }) => Validation<{
            strict?: boolean;
        }>;
    };
    options: FieldOptions & {
        strict?: boolean;
    };
    /**
     * The subtype identifier for the literal schema field
     */
    [SUBTYPE]: string;
    /**
     * Unique name identifier for union type resolution
     */
    [UNIQUE_NAME]: string;
    /**
     * Type checker function to determine if a value can be converted to a boolean.
     * Required for "unionOfTypes" functionality.
     *
     * @param value - The value to check
     * @returns True if the value can be converted to a boolean
     */
    [IS_OF_TYPE]: (value: unknown) => boolean;
    /**
     * Creates a new VineBoolean instance with optional configuration.
     *
     * @param options - Field options like bail mode, nullability and strict mode
     * @param validations - Initial set of validations to apply
     */
    constructor(options?: Partial<FieldOptions> & {
        strict?: boolean;
    }, validations?: Validation<any>[]);
    /**
     * Clones the VineBoolean schema type. The applied options
     * and validations are copied to the new instance.
     *
     * @returns A cloned instance of this VineBoolean schema
     */
    clone(): this;
}