import type { Tree } from '@angular-devkit/schematics';
/**
 * Add patterns to .gitignore file
 * @param tree Schematics files tree
 * @param patternsToAdd List of patterns with description to add to gitignore files
 */
export declare function ignorePatterns(tree: Tree, patternsToAdd: {
    description?: string;
    patterns: string[];
}[]): import("@angular-devkit/schematics/src/tree/interface").Tree;
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