presto-proxy/src/main/java/io/prestosql/proxy/JwtHandlerConfig.java/JwtHandlerConfig/setJwtIssuer
class JwtHandlerConfig:    @Config("jwt.issuer")
    @ConfigDescription("Issuer for JWT")
    public JwtHandlerConfig setJwtIssuer(String jwtIssuer)
    {
        this.jwtIssuer = jwtIssuer;
        return this;
    }