import { RuleLabel } from "./RuleLabel";
import { Rule } from "./Rule";
import { LabeledRule, LabelId } from "./types";
/**
 * Represents a rule that needs to be evaluated **asynchronously**.
 *
 * @example
 * {@includeCode ../../../../examples/snippets/rules.ts#inquiry}
 *
 * @category Rules
 */
export declare class Inquiry<ValueType = any> extends Rule<Promise<boolean>, ValueType> {
    /** @category Creation */
    static labeled<ValueType = any>(anId: LabelId, aDescription: string): Inquiry<ValueType>;
    /** @internal */
    static requiring(anId: LabelId, aDescription: string, aCondition: () => Promise<boolean>): Inquiry<void>;
    /**
     * @see {@link Assertion.requiring}
     * @category Creation
     */
    static requiring<ValueType = any>(anId: LabelId, aDescription: string, aCondition: (value: ValueType) => Promise<boolean>): Inquiry<ValueType>;
    protected constructor(label: RuleLabel);
    doesHold(value: ValueType): Promise<boolean>;
    hasFailed(value: ValueType): Promise<boolean>;
    mustHold(value: ValueType): Promise<void>;
    collectFailureInto(failed: LabeledRule[], value: ValueType): Promise<void>;
}
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