import type { Deployment } from "kubernetes-models/apps/v1/Deployment";
import type { EnvFromSource } from "kubernetes-models/v1/EnvFromSource";
/** Parameters for the [[addToEnvFrom]] function */
export interface AddToEnvFromParams {
    /** [[Deployment]] to add env for */
    deployment: Deployment;
    /** The [[EnvFromSource]] to add */
    data: EnvFromSource[];
    /** The container index for which to add the env var, default=0 */
    containerIndex?: number;
}
/**
 *
 * This function will add an [[EnvFromSource]] to the first container of a given [[Deployment]]
 *
 * Useful to get all variables from a [[ConfigMap]] or a [[Secret]]
 *
 * ```typescript
 * import { addToEnvFrom } from "@socialgouv/kosko-charts/utils"
 *
 * addToEnvFrom(deployment, new EnvFromSource({
 *   secretRef: {
 *     name: "some-secret"
 *   }
 * }))
 * ```
 * @category utils
 * @return {void}
 */
export declare const addToEnvFrom: ({ deployment, data, containerIndex, }: AddToEnvFromParams) => void;