public Builder addConfigCustomizerFactory(ConfigCustomizerFactory configCustomizerFactory) {
            this.configCustomizerFactories.add(configCustomizerFactory);
            return this;
        }
Adds an {@link ConfigCustomizerFactory} that will be used to find configuration customizers when the {@link Builder#build()}} method is called.
@param configCustomizerFactory An {@link ConfigCustomizerFactory} instance
@return The builder instance
core/src/main/java/org/jdbi/v3/core/extension/ExtensionMetadata.java