webpack.config.applyWebpackOptionsDefaults(options, compilerIndex?): ResolvedOptionsAttributes
options:
<WebpackOptionsNormalized>options to be modified
compilerIndex:
<number>index of compiler
Returns:
{ResolvedOptions} Resolved options after apply defaults
webpack.config.getNormalizedWebpackOptions(config): WebpackOptionsNormalizedAttributes
config:
<Configuration>input config
Returns:
<WebpackOptionsNormalized>normalized options