export interface TelegramLogSink {
    debug?(message: string, metadata?: Record<string, unknown>): void;
    info?(message: string, metadata?: Record<string, unknown>): void;
    warn?(message: string, metadata?: Record<string, unknown>): void;
    error?(message: string, metadata?: Record<string, unknown>): void;
}
/** Redact configured and recognizable Telegram Bot API tokens from arbitrary text. */
export declare function redactTelegramSecretText(text: string, knownSecrets?: readonly string[]): string;
/** Render one error message without allowing Telegram credentials into logs. */
export declare function redactTelegramErrorMessage(error: unknown, knownSecrets?: readonly string[]): string;
/**
 * Wrap a logger at the adapter boundary so future log sites are safe even when
 * they pass nested errors, causes, request objects, URLs, or stacks.
 */
export declare function createSecretSafeTelegramLogger<T extends TelegramLogSink>(logger: T | undefined, knownSecrets: readonly string[]): T | undefined;
/** Return an Error safe to hand to host callbacks that may log it themselves. */
export declare function redactTelegramError(error: unknown, knownSecrets: readonly string[]): Error;
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