/**
 * Top-level compile/transform events: per-file start, end, timing,
 * fatal errors that get rethrown after logging.
 */
export declare const debugCompile: import("obug").Debugger;
/**
 * Registry scanning of `.ts` and `.d.ts` files. Useful when a directive
 * or pipe is not being recognized as a dependency — turning this on
 * shows what the registry actually saw.
 */
export declare const debugRegistry: import("obug").Debugger;
/**
 * Cross-file dependency resolution decisions: how an `imports: [...]`
 * entry was resolved to underlying directives, NgModule export
 * expansion, tuple barrel expansion.
 */
export declare const debugResolve: import("obug").Debugger;
/**
 * Code emission and helper hoisting: which Ivy instructions were
 * emitted, where helpers were inserted, type-only import elision.
 */
export declare const debugEmit: import("obug").Debugger;