/**
 * `skaile preset apply` — pure core: reverse a `.preset.yaml` snapshot back into
 * a workspace's `skaile.yaml` sections (the inverse of `preset export`).
 *
 * These helpers are I/O- and prompt-free so they can be unit-tested in
 * isolation. The Commander action in `preset-cmd.ts` owns file reads, the
 * interactive prompting for non-secret inputs, the editor writes, and the
 * post-apply install.
 */
import type { ConnectorDeclaration, McpServerDeclaration, SourceEntry } from "@skaile/workspaces/core";
import type { Placeholder, PresetManifest } from "@skaile/workspaces/types/manifests";
/** The workspace sections produced by reversing a preset's items. */
export interface WorkspaceItems {
    /** Bare dependency refs, copied verbatim from non-connector/mcp items. */
    dependencies: string[];
    /** Connector declarations rebuilt from `connector:<driver>` items. */
    connectors: ConnectorDeclaration[];
    /** MCP server declarations rebuilt from `mcp:<id>` items. */
    mcpServers: McpServerDeclaration[];
    /** Git sources the deps resolve from — registered before install. */
    sources: SourceEntry[];
    /** Secret placeholder keys the user must export as env vars before running. */
    envVarsToSet: string[];
}
/** Rejection message for nested preset refs (unsupported by v1 apply). */
export declare const NESTED_PRESET_UNSUPPORTED = "nested presets are not supported by `preset apply` yet";
/**
 * Resolve one placeholder to the value that lands in `skaile.yaml`.
 *
 * A secret placeholder NEVER yields its raw value — it resolves to an
 * `env:<KEY>` indirection reference so the credential stays out of the file.
 * A non-secret placeholder resolves to the provided literal (or its declared
 * default); a required non-secret placeholder with neither throws.
 *
 * @param placeholder - The placeholder definition from the preset item.
 * @param providedValue - Value supplied via `--input`/prompt, or `undefined`.
 * @returns `{ envRef }` for secrets, `{ value }` for resolved literals.
 * @throws When a required non-secret placeholder has no value and no default.
 */
export declare function resolvePlaceholderValue(placeholder: Placeholder, providedValue: string | undefined): {
    value: string;
} | {
    envRef: string;
};
/**
 * Reverse a preset's items into additive `skaile.yaml` sections.
 *
 * Items are classified by **`id` presence** (export writes one on connector/mcp
 * items, never on deps), so a bare `mcp:excel` shorthand stays a dependency.
 * Secret tokens resolve to `env:<KEY>` refs (collected into `envVarsToSet`).
 *
 * @param preset - The validated preset manifest.
 * @param values - Resolved non-secret input values, keyed by placeholder key.
 * @returns The workspace sections plus the secret env-var keys to set.
 * @throws When a required non-secret placeholder is unresolved, or a nested
 *   preset ref is encountered (unsupported by apply).
 */
export declare function presetItemsToWorkspace(preset: PresetManifest, values: Record<string, string>): WorkspaceItems;
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