export declare class UsageParser {
    private readonly accept;
    private mode?;
    private prefix;
    private dataLine;
    private skipLine;
    private frames;
    private quoted;
    private escaped;
    private keyString;
    private keyText;
    private capture?;
    private invalid;
    constructor(accept: (usage: Record<string, unknown>) => void);
    write(text: string): void;
    private json;
}
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