import type { TargetDefaultValue } from '../../config/nx-json';
import type { TargetConfiguration } from '../../config/workspace-json-project-json';
/**
 * The config blocks of a single `targetDefaults` value, regardless of whether
 * it is stored as the plain object form (`{ cache: true }`) or the filtered
 * array form (`[{ filter, ...config }, ...]`).
 *
 * Migrations in `packages/nx` run as part of `nx repair` against arbitrary user
 * workspaces and can't assume migration order, so they must handle both shapes.
 * Each returned block is the live entry — mutating it edits `nx.json` in place,
 * and any `filter` on an array entry is left untouched.
 */
export declare function targetDefaultConfigs(value: TargetDefaultValue | undefined): TargetConfiguration[];
/**
 * The unfiltered "catch-all" config block of a `targetDefaults` value — the
 * workspace-wide baseline a migration should edit when it wants to apply a
 * default to every variant of a target (not a filtered subset). Creates the
 * block when absent and returns the value to store back, normalizing across the
 * object and array forms:
 *
 * - No value yet → a fresh object-form block.
 * - Object form → that object is the catch-all.
 * - Array form → the entry without a `filter`, appended if none exists.
 */
export declare function ensureCatchAllTargetDefaultConfig(value: TargetDefaultValue | undefined): {
    config: TargetConfiguration;
    value: TargetDefaultValue;
};