import { Result } from 'neverthrow';
type ConstructAcceptanceCriterion = (params: RequestedAcceptanceCriterion) => Result<AcceptanceCriterion, AcceptanceCriterionError[]>;
type RequestedAcceptanceCriterion = {
    readonly scenario: string;
    readonly given: readonly string[];
    readonly when: readonly string[];
    readonly then: readonly string[];
};
export type AcceptanceCriterion = {
    readonly id: string;
    readonly scenario: string;
    readonly given: readonly string[];
    readonly when: readonly string[];
    readonly then: readonly string[];
    readonly isCompleted: boolean;
    readonly createdAt: Date;
};
type AcceptanceCriterionError = {
    type: 'InvalidScenario' | 'EmptyGiven' | 'EmptyWhen' | 'EmptyThen' | 'InvalidArrayElement';
    message: string;
};
declare const AcceptanceCriterionError: {
    readonly create: (type: AcceptanceCriterionError["type"], message: string) => AcceptanceCriterionError;
};
export declare const AcceptanceCriterion: {
    readonly create: ConstructAcceptanceCriterion;
};
export { RequestedAcceptanceCriterion, AcceptanceCriterionError };
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