/**
 * Smallest shared contract for any form-associated custom element.
 *
 * Keep this intentionally tiny and platform-aligned. QTI-specific concerns
 * such as response identifiers, readonly handling, and validation
 * should be layered via separate capability interfaces below.
 */
interface FormAssociatedInteraction extends HTMLElement {
    disabled: boolean;
    readonly internals: ElementInternals;
    formResetCallback(): void;
}
/** QTI response identity capability. */
interface ResponseIdentifiedInteraction {
    responseIdentifier: string;
}
/** Optional readonly capability used by many QTI interactions. */
interface ReadonlyInteraction {
    readonly: boolean;
}
/** Optional reset capability beyond the platform form reset callback. */
interface ResettableInteraction {
    reset(): void;
}
/** Interaction that publishes and stores a response value. */
interface ResponseInteractionElement extends FormAssociatedInteraction {
    responseIdentifier: string;
    response: string | string[] | null;
    saveResponse(value: string | string[], state?: string | null): void;
}
/** Interaction that participates in validity reporting. */
interface ValidatableInteraction extends FormAssociatedInteraction {
    validate(): boolean;
    reportValidity(): boolean;
}
/**
 * Common contract expected by item containers when tracking registered interactions.
 */
interface RegisteredInteraction extends ResponseInteractionElement, ValidatableInteraction, ReadonlyInteraction, ResettableInteraction {
}
/**
 * @deprecated Prefer `RegisteredInteraction` for new code.
 */
type IInteraction = RegisteredInteraction;

export type { FormAssociatedInteraction as F, IInteraction as I, ReadonlyInteraction as R, ValidatableInteraction as V, RegisteredInteraction as a, ResettableInteraction as b, ResponseIdentifiedInteraction as c, ResponseInteractionElement as d };