/** The structural footprint of a tool call. */
export interface ToolFootprint {
    readonly tool: string;
    readonly files: readonly string[];
    readonly symbols: readonly string[];
}
/**
 * Compute the structural footprint of a tool call.
 *
 * Files and symbols that the call reads or writes. Two calls with
 * non-overlapping footprints can run concurrently.
 */
export declare function computeFootprint(tool: string, args: Readonly<Record<string, unknown>>): ToolFootprint;
/**
 * Partition footprints into parallel groups.
 *
 * Each group contains footprints that can run concurrently (no
 * overlaps within the group). Groups are ordered — group N+1
 * runs after group N.
 *
 * Uses greedy graph coloring: for each footprint, place it in the
 * first group that has no conflicts.
 */
export declare function findParallelGroups(footprints: readonly ToolFootprint[]): ToolFootprint[][];
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