/**
 * Converts a capability name to W3C format by adding the 'goog:' prefix if needed.
 * @param capName - The capability name to convert.
 * @returns The W3C-formatted capability name.
 */
export declare function toW3cCapName(capName: string): string;
/**
 * Gets a capability value from a capabilities object, handling both standard and W3C format names.
 * @param allCaps - The capabilities object to search in.
 * @param rawCapName - The capability name to look for (can be in either format).
 * @param defaultValue - Optional default value to return if the capability is not found.
 * @returns The capability value or the default value.
 */
export declare function getCapValue(allCaps: Record<string, any> | undefined, rawCapName: string, defaultValue?: any): any;
/**
 * Converts all capability names in an object to W3C format.
 * @param originalCaps - The original capabilities object.
 * @returns A new object with W3C-formatted capability names.
 */
export declare function toW3cCapNames(originalCaps?: Record<string, any>): Record<string, any>;
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