export interface AgentsBuilder {
    getAgents(): Readonly<Record<string, string>>;
    /**
     * @deprecated Use .addAgent() instead
     */
    agent(tag: string, value: string): this;
    addAgent(tag: string, value: string): this;
}
export declare class AgentsHelper {
    #private;
    getAgents(): Readonly<Record<string, string>>;
    /**
     * @see https://buildkite.com/docs/agent/v3/cli-start#agent-targeting
     */
    addAgent(tag: string, value: string): void;
    build(): {
        agents: Record<string, string>;
    } | {
        agents?: undefined;
    };
}