export interface OutputGuardConfig {
    stripThinkTags?: boolean;
    stripFileRefs?: boolean;
    stripRoleBreaking?: boolean;
    stripPromptLeakage?: boolean;
    emptyFallback?: string;
    customPatterns?: RegExp[];
}
export declare class OutputGuard {
    private rules;
    private emptyFallback;
    private stripThinkTags;
    constructor(config?: OutputGuardConfig);
    sanitize(content: string): string;
    sanitizeStream(fullTextSoFar: string): string;
}
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