import { LanguageProcessor } from "../g2p";
export type EnglishDialect = "en-US" | "en-GB";
export interface HomographEntry {
    pronunciation: string;
    pos: string;
}
export interface HomographDict {
    [word: string]: HomographEntry[];
}
export interface TraceStep {
    grapheme: string;
    phoneme: string;
    rule: string;
}
export interface TraceResult {
    word: string;
    ipa: string;
    path: "dictionary" | "morphology" | "decomposition" | "rules";
    syllables?: string[];
    steps: TraceStep[];
}
export declare class EnglishG2P implements LanguageProcessor {
    private dictionary;
    /**
     * Per-instance custom pronunciations. We keep these separate from
     * `this.dictionary` (which references the shared module-level JSON
     * object) so that `addPronunciation()` on one instance doesn't leak
     * to other instances created in the same process.
     */
    private customDict;
    private homographs;
    private disableDict;
    private dialect;
    /**
     * Opt-in: route through the principled pipeline (en-principled) when it
     * produces output. Off by default — the existing predictInternal +
     * postBase path is the well-tested production code. When this flag is
     * on, the principled pipeline runs FIRST for each word; if it returns
     * non-null, its output is used (skipping the legacy path entirely).
     */
    private enablePrincipled;
    readonly id = "en-g2p";
    readonly name = "English G2P Processor";
    /**
     * Accepts the bare `en` tag plus both major dialects. The same
     * instance can serve both — see `predict()` for per-call dispatch.
     */
    readonly supportedLanguages: string[];
    constructor(options?: {
        disableDict?: boolean;
        dialect?: EnglishDialect;
        enablePrincipled?: boolean;
    });
    /**
     * Expand numbers, abbreviations, currency, dates, times, etc. into
     * spoken English form before tokenization.
     */
    preProcess(text: string): string;
    /**
     * Per-word POS tagging for homograph disambiguation (read/lead/wind/…).
     * Delegates to the rule-based simplePOSTagger in pos-tagger.ts, which
     * is English-only by design — other languages plug in their own tagger
     * via LanguageProcessor.tagWord if they need POS.
     */
    tagWord(word: string, context?: {
        prev?: string;
        next?: string;
    }): {
        pos: string;
        confidence: number;
    };
    predict(word: string, language?: string, pos?: string): string | null;
    trace(word: string, language?: string, pos?: string): TraceResult;
    private predictInternal;
    private matchPos;
    private wellKnown;
    private tryMorphologicalAnalysis;
    /**
     * Two-part compound split using the mined head/tail tables. Picks
     * the split with the most balanced halves (longest minimum part).
     * A doubled consonant at the boundary signals suffixing rather than
     * compounding (abet|ting) and rejects the split point.
     */
    private tryCompoundSplit;
    private tryDecomposition;
    addPronunciation(word: string, pronunciation: string): void;
}
export default EnglishG2P;