import type { Deployment } from "kubernetes-models/apps/v1/Deployment";
import type { EnvVar } from "kubernetes-models/v1/EnvVar";
/** Parameters for the [[addEnv]] function */
export interface AddEnvParams {
    /** [[Deployment]] to add env for */
    deployment: Deployment;
    /** The [[EnvVar]] to add */
    data: EnvVar;
    /** The container index for which to add the env var, default=0 */
    containerIndex?: number;
}
/**
 *
 * This function will add an [[EnvVar]] to the first container of a given [[Deployment]]
 *
 * ```typescript
 * import { addEnv } from "@socialgouv/kosko-charts/utils"
 *
 * addEnv({
 *   deployment,
 *   data: new EnvVar({
 *     name: "MY_VARIABLE",
 *     value: "some value"
 *   })
 * })
 * ```
 * @category utils
 * @return {void}
 */
export declare const addEnv: ({ deployment, data, containerIndex, }: AddEnvParams) => void;