/**
 * OSC-52 clipboard write primitive.
 *
 * The terminal-native "set clipboard" sequence: `\e]52;c;<base64>\x07`.
 * Works over SSH because it lives in the byte stream, not in any local
 * clipboard daemon. Limit comes from terminal buffer caps — most modern
 * terminals accept ~75k base64 bytes (a few MB rendered, but base64 is the
 * wire format). We truncate at 74_994 to leave headroom for the framing
 * bytes (`\e]52;c;` + `\x07`).
 */
/** Maximum decoded character count we accept before truncation, conservative. */
export declare const OSC52_MAX_BYTES = 74994;
/** Buffers the input and returns the OSC-52 sequence ready to write. */
export declare function encodeOsc52(text: string, options?: {
    primary?: boolean;
}): {
    sequence: string;
    truncated: boolean;
    bytes: number;
};
/** Convenience: write the sequence with a caller-provided emit function. */
export declare function writeOsc52(write: (s: string) => void, text: string, options?: {
    primary?: boolean;
}): {
    truncated: boolean;
    bytes: number;
};
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