export declare class EnvVarResolver {
    private static INSTANCE;
    private globalEnvironment;
    private constructor();
    static getInstance(): EnvVarResolver;
    set global(globalEnvironment: Record<string, string> | undefined);
    injectGlobalEnvVars(): void;
    injectEnvVarsLambdaSpecific(lambdaEnv: Record<string, string> | undefined): void;
    removeEnvVarsLambdaSpecific(lambdaEnv: Record<string, string> | undefined): void;
}