/**
 * Terminal capability detection via environment variables.
 *
 * Computed once at import time — terminal capabilities don't change mid-session.
 * No async queries (DECRQM, DA) needed; env vars cover the common terminals.
 */
/** Detected terminal capabilities. */
export interface TerminalCaps {
    /** OSC 8 hyperlinks supported */
    hyperlinks: boolean;
    /** Kitty keyboard protocol (CSI u) supported */
    kittyKeyboard: boolean;
    /** SGR mouse reporting supported */
    mouse: boolean;
    /** Synchronized output (DEC 2026) supported */
    syncOutput: boolean;
    /** Terminal name (best guess) */
    terminal: string;
    /** 24-bit true color supported */
    trueColor: boolean;
}
/** Cached terminal capabilities — computed once at import time. */
export declare const terminalCaps: TerminalCaps;
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