import { Activity } from "../activities/index.js";
export type Args = Failed | Skipped | Start | string | Success | Warning;
/** signals a failed activity */
export interface Failed {
    readonly activity: Activity;
    readonly error: Error;
    readonly finalName: string;
    /** captured output (via action.log) while executing the activity */
    readonly output: string;
    readonly status: "failed";
}
export type Handler = (arg: any) => void;
/** defines the events that a command can emit. */
export type Name = "finish" | "output" | "result" | "start";
export interface Result {
    readonly status: ResultStatus;
}
export type ResultStatus = "failed" | "skipped" | "success" | "warning";
/** signals a skipped activity */
export interface Skipped {
    readonly activity: Activity;
    readonly finalName: string;
    readonly output: string;
    readonly status: "skipped";
}
/** signals the start of a test suite */
export interface Start {
    readonly stepCount: number;
}
/** signals a successful activity */
export interface Success {
    readonly activity: Activity;
    readonly finalName: string;
    /** captured output (via action.log) while executing the activity */
    readonly output: string;
    readonly status: "success";
}
/** signals an activity succeeded but with warnings */
export interface Warning {
    readonly activity?: Activity;
    readonly finalName?: string;
    readonly message: string;
    readonly status: "warning";
}
export declare function instanceOfFailed(event: Result): event is Failed;
export declare function instanceOfSkipped(event: Result): event is Skipped;
export declare function instanceOfSuccess(event: Result): event is Success;
export declare function instanceOfWarning(event: Result): event is Warning;
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