public static CasConfigurationMetadataRepositoryJsonBuilder create(final Charset defaultCharset) {
        return new CasConfigurationMetadataRepositoryJsonBuilder(defaultCharset);
    }
Create a new builder instance using the specified default {@link Charset}.

@param defaultCharset the default charset to use
@return a new {@link ConfigurationMetadataRepositoryJsonBuilder} instance.
support/cas-server-support-configuration-metadata-repository/src/main/java/org/springframework/boot/configurationmetadata/CasConfigurationMetadataRepositoryJsonBuilder.java