import { FUNCTION_TREE_HEIGHT } from '@aztec/constants';
import { MembershipWitness } from '@aztec/foundation/trees';
import { type ContractArtifact, FunctionSelector } from '@aztec/stdlib/abi';
/**
 * Represents a Merkle tree of functions for a particular Contract Class.
 * It manages the construction of the function tree, computes its root, and generates membership witnesses
 * for constrained functions. This class also enables lookup of specific function artifact using selectors.
 * It is used in combination with the AztecNode to compute various data for executing private transactions.
 */
export declare class PrivateFunctionsTree {
    private readonly privateFunctions;
    private tree?;
    private constructor();
    static create(artifact: ContractArtifact): Promise<PrivateFunctionsTree>;
    /**
     * Retrieve the membership witness of a function within a contract's function tree.
     * A membership witness represents the position and authentication path of a target function
     * in the Merkle tree of constrained functions. It is required to prove the existence of the
     * function within the contract during execution. Throws if fn does not exist or is not private.
     *
     * @param selector - The function selector.
     * @returns A MembershipWitness instance representing the position and authentication path of the function in the function tree.
     */
    getFunctionMembershipWitness(selector: FunctionSelector): Promise<MembershipWitness<typeof FUNCTION_TREE_HEIGHT>>;
    private getTree;
}
//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoicHJpdmF0ZV9mdW5jdGlvbnNfdHJlZS5kLnRzIiwic291cmNlUm9vdCI6IiIsInNvdXJjZXMiOlsiLi4vLi4vLi4vc3JjL3N0b3JhZ2UvY29udHJhY3Rfc3RvcmUvcHJpdmF0ZV9mdW5jdGlvbnNfdHJlZS50cyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQSxPQUFPLEVBQUUsb0JBQW9CLEVBQUUsTUFBTSxrQkFBa0IsQ0FBQztBQUd4RCxPQUFPLEVBQUUsaUJBQWlCLEVBQW1CLE1BQU0seUJBQXlCLENBQUM7QUFDN0UsT0FBTyxFQUFFLEtBQUssZ0JBQWdCLEVBQUUsZ0JBQWdCLEVBQWdCLE1BQU0sbUJBQW1CLENBQUM7QUFRMUY7Ozs7O0dBS0c7QUFDSCxxQkFBYSxvQkFBb0I7SUFHWCxPQUFPLENBQUMsUUFBUSxDQUFDLGdCQUFnQjtJQUZyRCxPQUFPLENBQUMsSUFBSSxDQUFDLENBQWE7SUFFMUIsT0FBTyxlQUFxRTtJQUU1RSxPQUFhLE1BQU0sQ0FBQyxRQUFRLEVBQUUsZ0JBQWdCLGlDQU83QztJQUVEOzs7Ozs7OztPQVFHO0lBQ1UsNEJBQTRCLENBQ3ZDLFFBQVEsRUFBRSxnQkFBZ0IsR0FDekIsT0FBTyxDQUFDLGlCQUFpQixDQUFDLE9BQU8sb0JBQW9CLENBQUMsQ0FBQyxDQWV6RDtZQUVhLE9BQU87Q0FNdEIifQ==