import { Command } from '@oclif/core';
import { OAuthCommand } from '@salesforce/b2c-tooling-sdk/cli';
import { type PreferencesClient } from '@salesforce/b2c-tooling-sdk';
/**
 * Flag for selecting the SCAPI Preferences instance type.
 *
 * Defaults to `development` — a real tier valid for both reads and writes.
 * `current` is accepted (handy for reads) but the SCAPI Preferences API
 * rejects it on writes, so it is never the default.
 */
export declare const instanceTypeFlag: import("@oclif/core/interfaces").OptionFlag<string, import("@oclif/core/interfaces").CustomOptions>;
/** Shared `--mask-passwords` (plural) flag used by all instance-scoped preferences commands. */
export declare const maskPasswordsFlag: import("@oclif/core/interfaces").BooleanFlag<boolean>;
export type PreferenceAssignmentValue = boolean | null | number | Record<string, unknown> | string | unknown[];
/**
 * Parse a single assignment expression for the preferences write commands.
 *
 * Operators:
 *  - `key=value`   string value
 *  - `key:=json`   raw JSON (number, bool, array, object)
 *  - `key=@file`   file contents as a string value
 *  - `key:=@file`  file contents parsed as JSON
 *  - `key=`        null (clears/unsets the attribute)
 *
 * The Preferences API does not coerce types, so callers must use `:=` to send
 * non-string JSON types.
 */
export declare function parsePreferenceAssignment(expr: string): {
    key: string;
    value: PreferenceAssignmentValue;
};
/** Build a flat `{ [key]: value }` object from assignment expressions. */
export declare function buildAssignmentMap(exprs: string[]): Record<string, PreferenceAssignmentValue>;
/**
 * Base command class for SCAPI Configuration Preferences API commands.
 *
 * Provides lazy-initialized read-only and read-write clients with proper
 * OAuth strategy and configuration.
 */
export declare abstract class PreferencesCommand<T extends typeof Command> extends OAuthCommand<T> {
    private _preferencesClient?;
    private _preferencesRwClient?;
    /** Returns a read-only Preferences API client. */
    protected get preferencesClient(): PreferencesClient;
    /** Returns a read-write Preferences API client. */
    protected get preferencesRwClient(): PreferencesClient;
    private preferencesClientConfig;
}