import type { ProviderObservation, WorktreeDeliveryConfig, WorkspaceLease } from "./types.js";
/**
 * Variables the assembled operation declares but never references. GitHub rejects those outright
 * with variableNotUsed, and the mistake is invisible to a fake that only inspects the query text —
 * which is how it reached the live API from this repository. Checking the assembled document also
 * sees interpolated fragments, which no static scan of the source can resolve.
 */
export declare function unusedGraphqlVariables(query: string): string[];
/**
 * Runs a GraphQL document through `gh`, sending the whole request as JSON on stdin and refusing to
 * send a document that declares a variable it never uses.
 *
 * The JSON body is not a style choice. `gh`'s `-f` sends every value as a string, and `-F`, despite
 * its name, converts only scalars: a JSON object passed to it arrives as a string, so an input
 * object like `$value: ProjectV2FieldValue!` is rejected with "provided invalid value". Numeric
 * variables have the same problem with `-f`. `--input -` preserves the real JSON types, so variable
 * types stop depending on which flag a caller happened to pick.
 */
export declare function graphqlCommandJson(cwd: string, query: string, variables: Record<string, unknown>): {
    ok: boolean;
    value?: unknown;
    error?: string;
};
export declare function commandJson(cwd: string, command: string, args: string[], input?: string): {
    ok: boolean;
    value?: unknown;
    error?: string;
};
export declare function observeProvider(root: string, config: WorktreeDeliveryConfig, observedLeases: WorkspaceLease[], additionalWorkItems?: string[]): ProviderObservation;
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