import * as iam from "aws-cdk-lib/aws-iam";
import * as secretsmanager from "aws-cdk-lib/aws-secretsmanager";
import * as ssm from "aws-cdk-lib/aws-ssm";
import type * as constructs from "constructs";
/**
 * A plain text application parameter that will be stored
 * in AWS Parameter Store. Only used for non-sensitive values,
 * typically those commited directly in the IaC code.
 */
export interface PlainTextParameter {
    key: string;
    value: string;
}
/**
 * An AWS Secret that should hold a JSON object.
 *
 * This will provide a secret that liflig-properties can read. The final
 * parameter seen by the application will be the key given here and the
 * keys from the secret JSON object appended.
 */
export interface SecretParameter {
    key: string;
    secret: secretsmanager.ISecret;
}
/**
 * An AWS Secret that should hold a JSON object.
 *
 * This will provide a secret that liflig-properties can read. The final
 * parameter seen by the application will be the key given here and the
 * keys from the secret JSON object appended.
 */
export interface SecretByNameParameter {
    key: string;
    secretName: string;
}
export type Parameter = PlainTextParameter | SecretParameter | SecretByNameParameter;
export interface ConfigureParametersProps {
    /**
     * Prefix used for parameter names.
     * Should start with '/' and end without '/'.
     */
    ssmPrefix: string;
    parameters: Parameter[];
}
export declare class ConfigureParameters {
    parameters: ssm.IParameter[];
    ssmPrefix: string;
    private secrets;
    private configParameters;
    private secretParameters;
    constructor(scope: constructs.Construct, props: ConfigureParametersProps);
    grantRead(grantable: iam.IGrantable & constructs.IConstruct): void;
    /**
     * Produce a checksum-value that can be used as a kind of
     * nonce to trigger redeployment on parameter changes.
     *
     * Note: If the parameter references a token no change will be visible,
     * and a manual redeployment might be needed.
     */
    get hashValue(): string;
}