import { Plugin } from 'vite';
export declare const importRegexBothAssertAndWith: RegExp;
export declare const importRegexAssertOnly: RegExp;
export declare const importRegexWithOnly: RegExp;
export interface ImportStatementsWithAsserts {
    importStatement: string;
    assertStatement: string;
}
export type ImportAttributeKinds = true | 'both' | 'assert' | 'with';
export declare const preserveImportAttributes: (keeping?: ImportAttributeKinds) => Plugin;
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