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PurgeCSS.walkThroughCSS() method

Walk through the CSS AST and remove unused CSS

Signature:

walkThroughCSS(root: PostCSSRoot, selectors: ExtractorResultSets): void;

Parameters

Parameter	Type	Description
root	PostCSSRoot	root node of the postcss AST
selectors	ExtractorResultSets	selectors used in content files

**Returns:**

void