import { SessionBehavior } from '../runtime/SessionBehavior';
import { SystemAct } from '../systemActs/SystemAct';
import { IControlResult } from './interfaces/IControlResult';
/**
 * Represents "what" the system should communicate to the user.
 *
 * This is the output object from the handle and initiative phases and is the
 * intermediate representation passed to the render phase.
 *
 * If the session is not being closed, the ControlResult must contain exactly
 * one `InitiativeAct`.
 */
export declare class ControlResult implements IControlResult {
    acts: SystemAct[];
    sessionBehavior: SessionBehavior;
    constructor(acts: SystemAct[], sessionBehavior: SessionBehavior);
    toString(): string;
    /**
     * Determines if the result has an initiative act.
     */
    hasInitiativeAct(): boolean;
}
/**
 * Builder that creates a ControlResult.
 */
export declare class ControlResultBuilder {
    acts: SystemAct[];
    sessionBehavior: SessionBehavior;
    constructor(acts?: SystemAct[]);
    build(): ControlResult;
    /**
     * Add a system act.
     *
     * Usage:
     *  * If the session needs to be ended, also call `resultBuilder.endSession()`.
     *
     * @param act - System act.
     */
    addAct(act: SystemAct): this;
    /**
     * End the user session.
     *
     * See
     * https://developer.amazon.com/en-GB/docs/alexa/custom-skills/manage-skill-session-and-session-attributes.html#session-lifecycle
     *
     * Framework behavior:
     *  * this will cause the framework to call
     *    `ask-core.ResponseBuilder.withShouldEndSession(true)`.
     *
     * Skill/device behavior:
     *  * Subsequent utterances will not be routed to the skill.
     *  * A new launch command will start a fresh session.
     *
     */
    endSession(): void;
    /**
     * Place the user session in the idle state.
     *
     * https://developer.amazon.com/en-GB/docs/alexa/custom-skills/manage-skill-session-and-session-attributes.html#session-lifecycle
     *
     * * Framework behavior:
     *  * this will cause the framework to call
     *    `ask-core.ResponseBuilder.withShouldEndSession(undefined)`.
     *
     * Skill/device behavior:
     *  * The session remains alive but the microphone is closed.
     *  * The user can interact with the skill but must use the wake-word.
     */
    enterIdleState(): void;
    toString(): string;
    /**
     * Determines if the result has an initiative act.
     */
    hasInitiativeAct(): boolean;
}
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