import type { PipelineConfig, RawPipelineConfig, RawTaskConfig, TaskConfig, TrackConfig } from './types';
export interface DagNode {
    readonly taskId: string;
    readonly task: TaskConfig;
    readonly track: TrackConfig;
    readonly dependsOn: readonly string[];
    /**
     * H1: `task.continue_from` may be written by users as a bare task id
     * (e.g. `review`) or a same-track shorthand. The driver needs the
     * fully-qualified upstream id to look up output/session/normalized maps
     * deterministically — bare lookups race when two tracks happen to share
     * a task name. dag.ts performs the qualification once, here, so the
     * engine never has to.
     */
    readonly resolvedContinueFrom?: string;
}
export interface Dag {
    readonly nodes: ReadonlyMap<string, DagNode>;
    readonly sorted: readonly string[];
}
export declare function buildDag(config: PipelineConfig): Dag;
export interface RawDagNode {
    readonly taskId: string;
    readonly trackId: string;
    readonly rawTask: RawTaskConfig;
    readonly dependsOn: readonly string[];
}
export interface RawDagEdge {
    readonly from: string;
    readonly to: string;
    /**
     * 'explicit'  — from `depends_on` or `continue_from` (the user wrote it).
     * 'dataflow'  — an edge that carries a runtime input/output binding, inferred
     *                from inputs/outputs name matching or explicit `from`
     *                bindings. The editor renders it as dashed so the user sees
     *                the data contract. When a user-written dependency also
     *                carries data, this kind wins for the single rendered edge.
     */
    readonly kind: 'explicit' | 'dataflow';
}
export interface RawDag {
    readonly nodes: ReadonlyMap<string, RawDagNode>;
    /** Directed edges: from → to means "from must complete before to starts" */
    readonly edges: readonly RawDagEdge[];
}
/**
 * Build a lightweight DAG from a raw (unresolved) pipeline config.
 * Unlike buildDag, this function:
 *   - Does not require a workDir or resolved PipelineConfig
 *   - Is lenient: missing or ambiguous refs are silently skipped
 *
 * Intended for the visual editor to render the flow graph before a pipeline is run.
 */
export declare function buildRawDag(config: RawPipelineConfig): RawDag;
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