/**
 * The names the VM must NOT carry — and the two it may hold only from the host.
 *
 * `Date` and `Math.random` are `$expr`'s two deletions, for `$expr`'s reason: a
 * screen that reads them paints differently on two identical renders. Timers
 * join them here — a screen paints from data and events, and a `setTimeout`
 * inside a VM the host drives by hand is a scheduled event nobody will ever
 * run. Each is REPLACED rather than deleted where a message helps: "not a
 * function" tells whoever repairs the screen nothing.
 *
 * `console` is the exception that is added rather than removed: a stray
 * `console.log` is not a capability, and a bare context has no `console`, so
 * without this one a debug line the model forgot to delete is a ReferenceError
 * that takes the whole screen down.
 *
 * The frozen clock and {@link INTL_SOURCE} are the other shape of the same rule:
 * both are things a screen genuinely needs, both would read the machine the VM
 * happens to run on, so both are answered by the HOST instead — the clock as one
 * pinned instant, `Intl` across the wall.
 */
export declare function sealSource(now: number | undefined): string;
/** Preact, then the engine. One string, evaluated once per screen. */
export declare const SCREEN_RUNTIME: string;
export interface InstallInput {
    compiledSource: string;
    queries: Record<string, unknown>;
    /** Mount props for the component — a PORT's paint can depend on its host
     *  call site. Serialized into the program, so JSON-only by construction. */
    props?: Record<string, unknown>;
    catalog: readonly string[];
}
/**
 * This screen: its `@vendo/screen` module, its component, its first paint.
 *
 * The compiled source is evaluated as a CommonJS module body — `require`,
 * `module`, `exports` — because that is what a VM can host without a module
 * loader, and because it is one esbuild flag (`format: "cjs"`) away from the
 * TSX the model wrote. An ES module arriving here is a syntax error; ./boot.ts
 * names that case rather than passing the parser's complaint along.
 */
export declare function installSource(input: InstallInput): string;
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