/**
 * Precondition validators for each workflow turn.
 * Pure functions — no side effects, no I/O.
 *
 * Returns `{ valid: true }` if the guard passes,
 * `{ valid: false, errors: [...] }` if not.
 *
 * @module config-workflow/workflow-guards
 */
import type { ConfigWorkflowState } from "./workflow-types.js";
type GuardPass = {
    valid: true;
};
type GuardFail = {
    valid: false;
    errors: string[];
};
type GuardResult = GuardPass | GuardFail;
/**
 * Validate that a turn can be executed given the current workflow state.
 *
 * Turn-specific guards:
 * - Turn 0 (Discovery): Always valid — no prerequisites
 * - Turn 1 (Investigate): Requires `targetPrimitives.length > 0`
 * - Turn 2 (Collect): Requires Turn 1 output exists
 * - Turn 3 (Proposal): Requires Turn 2 output with collected fields
 * - Turn 4 (Validate): Requires Turn 3 output with assembled spec
 * - Turn 5 (Compile): Requires Turn 4 output with validation pass
 * - Turn 6 (Test): Requires Turn 5 output with written file path
 * - Turn 7 (Save): Requires Turn 6 output with test results
 *
 * @param state - Current workflow state.
 * @param turn - Turn index to validate (0-7).
 * @returns Guard result indicating pass or fail with descriptive errors.
 */
export declare function validateTurnPrecondition(state: ConfigWorkflowState, turn: number): GuardResult;
/**
 * Check if a workflow has the minimum data needed to start Turn 2 (Collect).
 * Requires at least one target primitive defined.
 *
 * @param state - Current workflow state.
 * @returns `true` if at least one target primitive exists.
 */
export declare function hasCollectedPrerequisites(state: ConfigWorkflowState): boolean;
/**
 * Check if a workflow has data needed for Turn 5 (Compile).
 * Requires at least Turn 2 (Collect) output with a spec.
 *
 * @param state - Current workflow state.
 * @returns `true` if Turn 2 has output data.
 */
export declare function hasCompilePrerequisites(state: ConfigWorkflowState): boolean;
export {};
//# sourceMappingURL=workflow-guards.d.ts.map