refactor: replace Impl pattern for stubbing in testing implementation

with `Internal` namespace replacement pattern for consistency

Author: boblat

examples/rollup.config.ts

@@ -12,6 +12,7 @@ const config: RollupOptions = {
     'examples/hello-world-abi/contract.algo.ts',
     'examples/hello-world/contract.algo.ts',
     'examples/htlc-logicsig/signature.algo.ts',
+    'examples/local-storage/contract.algo.ts',
     'examples/marketplace/contract.algo.ts',
     'examples/precompiled/precompiled-factory.algo.ts',
     'examples/precompiled/precompiled-typed.algo.ts',

src/impl/clone.ts

@@ -1,6 +1,6 @@
 import { getEncoder, toBytes } from './encoded-types'
 
-export function cloneImpl<T>(typeInfoString: string, value: T): T {
+export function clone<T>(typeInfoString: string, value: T): T {
   if (value && typeof value === 'object' && 'copy' in value && typeof value.copy === 'function') {
     return value.copy() as T
   }

src/impl/emit.ts

@@ -4,7 +4,7 @@ import { sha512_256 } from './crypto'
 import { getArc4Encoded, getArc4TypeName } from './encoded-types'
 import { log } from './log'
 
-export function emitImpl<T>(typeInfoString: string, event: T | string, ...eventProps: unknown[]) {
+export function emit<T>(typeInfoString: string, event: T | string, ...eventProps: unknown[]) {
   let eventData
   let eventName
   if (typeof event === 'string') {