/**
 * Environment names the pager reads through less's lgetenv layering —
 * the keys a library caller's envVars overlay can meaningfully set.
 * (COMSPEC/POSIXLY_CORRECT/LESSNOCONFIG probe the raw process env by
 * design and are deliberately absent.)
 *
 * The api test greps the source for lgetenv/envInteger/envDelay
 * literals and fails when a new consumer is missing here.
 */
export declare const PAGER_ENV_NAMES: readonly ["COLUMNS", "EDITOR", "HOME", "HOMEDRIVE", "HOMEPATH", "LANG", "LC_ALL", "LC_CTYPE", "LESS", "LESSANSIENDCHARS", "LESSANSIMIDCHARS", "LESSANSIOSCALLOW", "LESSANSIOSCCHARS", "LESSBINFMT", "LESSCHARDEF", "LESSCHARSET", "LESSCLOSE", "LESSECHO", "LESSEDIT", "LESSGLOBALTAGS", "LESSHISTFILE", "LESSHISTSIZE", "LESSKEY", "LESSKEYIN", "LESSKEYIN_SYSTEM", "LESSKEY_CONTENT", "LESSKEY_CONTENT_SYSTEM", "LESSKEY_SYSTEM", "LESSMETACHARS", "LESSMETAESCAPE", "LESSOPEN", "LESSSECURE", "LESSSECURE_ALLOW", "LESSSECURE_DISALLOW", "LESSSEPARATOR", "LESSUTFBINFMT", "LESSUTFCHARDEF", "LESS_COLUMNS", "LESS_DATA_DELAY", "LESS_IS_MORE", "LESS_LINES", "LESS_OSC8_OPEN_ANY", "LESS_SCREENFILL_TIME", "LESS_SHELL_COPTION", "LESS_SHELL_LINES", "LESS_SIGUSR1", "LESS_TERMCAP_DEBUG", "LESS_UNSUPPORT", "LINES", "MORE", "SHELL", "TERM", "TERMCAP", "VISUAL", "XDG_CONFIG_HOME", "XDG_DATA_HOME", "XDG_STATE_HOME"];
/** Env name families looked up with a computed suffix. */
export declare const PAGER_ENV_PREFIXES: readonly ["LESS_TERMCAP_", "LESS_TERMINFO_", "LESS_OSC8_OPEN_"];
/**
 * The envVars overlay for a library pager call: every less-consulted
 * name autocompletes; the suffixed families stay open (any termcap
 * capability, terminfo capability or OSC8 URI scheme).
 */
export type PagerEnv = Partial<Record<(typeof PAGER_ENV_NAMES)[number], string>> & Partial<Record<`LESS_TERMCAP_${string}`, string>> & Partial<Record<`LESS_TERMINFO_${string}`, string>> & Partial<Record<`LESS_OSC8_OPEN_${string}`, string>>;