import { Env } from "../../dists/env.js";
import { ProjectState } from "./ProjectState.js";
import { SqModuleOutput } from "./SqModuleOutput.js";
export type ProjectAction = {
    type: "loadImports";
    payload: string;
} | {
    type: "loadModule";
    payload: {
        name: string;
        hash: string | undefined;
    };
} | {
    type: "processModule";
    payload: {
        hash: string;
    };
} | {
    type: "gc";
} | {
    type: "buildOutputIfPossible";
    payload: {
        hash: string;
        environment: Env;
    };
};
export type ProjectEventShape = {
    type: "output";
    payload: {
        output: SqModuleOutput;
    };
} | {
    type: "action";
    payload: ProjectAction;
} | {
    type: "state";
    payload: ProjectState;
};
export type ProjectEventType = ProjectEventShape["type"];
export declare class ProjectEvent<T extends ProjectEventType> extends Event {
    data: Extract<ProjectEventShape, {
        type: T;
    }>["payload"];
    constructor(type: T, data: Extract<ProjectEventShape, {
        type: T;
    }>["payload"]);
}
export type ProjectEventListener<T extends ProjectEventType> = (event: ProjectEvent<T>) => void;
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