import { SSMClient } from '@aws-sdk/client-ssm';
import { Monitoring } from '../../monitoring';
export declare class ParameterStoreApi {
    private ssm;
    private readonly logger;
    constructor(ssm: SSMClient, monitoring?: Monitoring);
    listParameters(): Promise<string[]>;
    getParameters(keys: string[]): Promise<Map<string, string>>;
    /**
     * Loads the parameter value from parameter store, decrypting if necessary.
     *
     * In order to take advantage of decryption, the application must have the proper role policy
     * for the KMS key in AWS.
     * @param name The paramter name in Parameter Store.
     * @param withDecrypt Whether or not to decrypt the value from Parameter Store.
     * @throws ErrorWithCode ErrorCode.ItemNotFound if the parameter is not found.
     */
    getParameter(name: string, withDecrypt?: boolean): Promise<string>;
    /**
     * Loads the parameter value from parameter store, decrypting if necessary. Returns undefined if the parameter is not found.
     *
     * In order to take advantage of decryption, the application must have the proper role policy
     * for the KMS key in AWS.
     * @param name The paramter name in Parameter Store.
     * @param withDecrypt Whether or not to decrypt the value from Parameter Store.
     */
    getParameterSafe(name: string, withDecrypt?: boolean): Promise<string | undefined>;
    /**
     * Save a value in parameter store. If the parameter already exists, it will be overwritten.
     * @param name The parameter name in parameter store
     * @param value The value to persist
     * @param encrypt Whether or not to encrypt the value.
     */
    setParameter(name: string, value: string, encrypt: boolean): Promise<void>;
}
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