import { TypoEntry, TyposDef, TyposDefKey, TyposDefValue } from './typos';
/**
 * Append an entry to a TyposDef.
 * @param def - modified in place
 * @param entry- entry to add.
 * @returns def
 */
export declare function appendToDef(def: TyposDef, entry: TypoEntry | undefined): TyposDef;
export declare function createTyposDef(entries?: Iterable<[TyposDefKey, TyposDefValue]>): TyposDef;
/**
 * Extract all suggestions.
 * @param typosDef - the def
 * @returns the set of suggestions.
 */
export declare function extractAllSuggestions(typosDef: TyposDef): Set<string>;
/**
 * Extract all words that have been explicitly ignore because they contains the `ignorePrefix`.
 * @param typosDef - the def
 * @param ignorePrefix - prefix
 * @returns set of ignored words with the prefix removed.
 */
export declare function extractIgnoreValues(typosDef: TyposDef, ignorePrefix: string): Set<string>;
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