import type { ScriptRegion } from "../../compiler/source-scan.js";
import type { HelperDeclaration } from "./types.js";
export interface EffectCallbackRewriteContext {
    /** Local names imported as the Effect object, such as `Effect` or `E`. */
    effect_object_names: ReadonlySet<string>;
    /** Namespace names imported from `effect/Effect`, such as `E.flatMap`. */
    effect_module_names: ReadonlySet<string>;
    /** Package namespace names imported from `effect`, such as `Fx.Effect`. */
    effect_package_names: ReadonlySet<string>;
    /** Direct `effect/Effect` imports mapped from local name to exported name. */
    direct_members: ReadonlyMap<string, string>;
    /** Expression used for generated `gen`, `sync`, and upgraded direct calls. */
    wrapper_expression: string;
    /** Import inserted when generated code needs a fresh Effect binding. */
    wrapper_import: HelperDeclaration | undefined;
}
export declare function collect_effect_callback_bindings(scripts: readonly ScriptRegion[]): EffectCallbackRewriteContext;